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N-Acetyl Cysteine vs. N-Acetyl L-Carnosine N-Acetyl Cysteine vs. N-Acetyl L-Cysteine N-Acetyl-L-Cysteine vs. N-Acetylcysteine N-Acylation vs. O Acylation N-Glycosylation vs. O-Glycosylation N-Linked Oligosaccharides vs. O-Linked Oligosaccharides N-Type vs. P-Type N2O4 vs. NO2 N8 00 vs. Nokia Lumia 710 N9 vs. Nokia Lumia 800 Naan vs. Pita Naan vs. Roti NAAT vs. PCR Nabi vs. Rasool NAC vs. SWG NAD vs. NADH NAD vs. NADP NAFLD vs. NASH Nag vs. Name Nagasaki vs. Tsar Bomb Nail Enamel vs. Nail Polish Naked Short Selling vs. Short Selling Naloxone vs. Naltrexone NAND Flash vs. NOR Flash Nanoclusters vs. Nanoparticles Nanomaterials vs. Nanoparticles Nanoparticle vs. Particulate Matter Nanoscience vs. Nanotechnology Nanoweb vs. Polyweb Nap vs. Sleep Nap vs. Snooze Naphthalene vs. p-Dichlorobenzene Naphthenic Crude Oil vs. Paraffinic Crude Oil Naphthenic vs. Paraffinic Napkin vs. Serviette Naproxen vs. Naproxen Sodium Narcissism vs. Psychopathy Narcissist vs. Sociopath Naringenin vs. Naringin Narrative vs. Plot Narrative vs. Recount Narrative vs. Story Narrowband vs. Wideband Naruto vs. Naruto Shippuden Naruto vs. Pain NAS Storage Network vs. SAN NAS vs. SAN NASA vs. SpaceX NASDAQ vs. NYSE Nasdaq vs. S&P 500 Nasopharyngeal Swab vs. Oropharyngeal Swab Nastic Movement vs. Thigmomorphogenesis Nastic Movement vs. Tropic NAT IP Restricted vs. NAT Symmetric NAT IP Restricted vs. Source NAT NAT vs. PAT Nation vs. State National Forest vs. National Park National Language vs. Official Language National Park vs. Wildlife Sanctuary National Socialism vs. Neoliberalism Nationalism vs. Patriotism Nationalism vs. Rationalism Nationalism vs. Realism Nationality vs. Race Native Page vs. SDS-PAGE Native Plant vs. Weed Native VLAN vs. Tagged VLAN NATO vs. UN Natural Disaster vs. Natural Hazard Natural Fibers vs. Synthetic Fibers Natural Frequency vs. Resonance Natural Gas vs. Propane Natural Law vs. Positivism Natural Rubber vs. Synthetic Rubber Natural Rubber vs. Vulcanized Rubber Natural Science vs. Social Science Natural Selection vs. Sexual Selection Natural Selection vs. Spatial Sorting Natural vs. Naturalized Natural vs. Organic Natural Woman vs. Trans Woman Naturalism vs. Realism Naturalistic Observations vs. Survey Nature vs. Nurture Nature vs. Truth Nautical Mile vs. Statute Mile Navman vs. TomTom Nawaz vs. Zardari Nawsa vs. Nwp Nazi vs. Neo-Nazi Nazism vs. Socialism NBC News vs. NewsNation NBR vs. Natural Rubber NBR vs. PA66 NBR vs. SBR NBR vs. Viton NCE vs. NME Ncode Six One Tennis Rackets vs. Wilson nCode nTour Nearshoring vs. Onshoring Necessary vs. Sufficient Necessity vs. Need Nectar vs. Pollen Nectarine vs. Peach Need vs. Want Needing vs. Wanting Neft vs. RTGS Negative Acute Phase Proteins vs. Positive Negative Allosterism vs. Positive Allosterism Negative Argument vs. Positive Argument Negative Catalyst vs. Positive Catalyst Negative Control vs. Positive Control Negative Correlation vs. Positive Correlation Negative Externalities vs. Positive Externalities Negative Feedback Loops vs. Positive Feedback Loops Negative Feedback vs. Positive Feedback Negative Gearing vs. Positive Gearing Negative Gene Regulation vs. Positive Gene Regulation Negative Ion vs. Positive Ion Negative Ionization in Mass Spectrometry vs. Positive Ionization in Mass Spectrometry Negative Oxidase Test vs. Positive Negative Punishment vs. Positive Punishment Negative Reinforcement vs. Positive Reinforcement Negative Reinforcement vs. Punishment Negative Selection of T Cells vs. Positive Selection Negative Supercoiling of DNA vs. Positive Supercoiling of DNA Negative Tropism vs. Positive Tropism Negative vs. Realism Negative Zeta Potential vs. Positive Negligence vs. Nuisance Negligence vs. Strict Liability Nehalem Architecture vs. Sandy Bridge Architecture Nehru Jacket vs. Waistcoat Neighbor Joining Tree vs. UPGMA Neisseria gonorrhoeae vs. Neisseria meningitidis Neither vs. Nor Nekton vs. Plankton Nematoda vs. Platyhelminthes Nematodes vs. Platyhelminthes Nematodes vs. Trematodes Nemesis Arc vs. Striker Arm Neoclassical Realism vs. Neoliberalism Neoclassical Realism vs. Neorealist Neoclassical Realism vs. Realism Neoclassical Sculpture vs. Romantic Sculpture Neoclassicism Art vs. Rococo Art Neoclassicism Art vs. Romanticism Art Neoclassicism vs. Romanticism Neocolonialism vs. Postcolonialism Neoconstructivism vs. Neorealism Neodymium Magnet vs. Regular Magnet Neoliberalism vs. Neorealism Neoliberalism vs. Regulated Capitalism Neolithic Age vs. Paleolithic Age Neolithic vs. Old Stone Age Neolithic vs. Paleolithic Neon Genesis Evangelion vs. Serial Experiments Lain Neoplastic Polyps vs. Non-Neoplastic Polyps Neoprene Surgical Gloves vs. Nitrile Surgical Gloves Neoprene vs. Nitrile Rubber Neorealism vs. Poststructuralism Neorealism vs. Realism Neorealist vs. Realist Neosporin vs. Polysporin Neostigmine vs. Physostigmine Neoteny vs. Paedogenesis Neoteny vs. Progenesis Nephelometry vs. Turbidimetry Nephew vs. Niece Nephritic Syndrome vs. Nephrotic Syndrome Nephrologist vs. Urologist Nephrology vs. Urology Nephron vs. Neuron Nephrostomy vs. Urostomy Neptune vs. Pluto Neptune vs. Poseidon Nerf vs. X-Shot Nerve Cord vs. Notochord Nerve vs. Neuron Nerve vs. Tract Nerve vs. Vein Nervous System vs. Nervous Tissue Net Income vs. Net Profit Net Income vs. Operating Income Net Present Value vs. Present Value Net Profit vs. Operating Profit Net vs. PHP .NET vs. React Netbook vs. iPad 2 Netbook vs. Netbook for Kids Netbook vs. Notebook Netflix vs. Prime Video Netflix vs. Vudu Netflix vs. Zune NetFlow vs. SNMP Netstat vs. Nmap Netstat vs. Ping Network Access Control vs. WAF Network Diagram vs. Standard Naming Convention Network Diagrams vs. Standard Naming Conventions Network Logs vs. System Logs Network vs. Socialize Neulasta vs. Neupogen Neural Crest vs. Neural Tube Neural Progenitor Cells vs. Neural Stem Cells Neural vs. Neuronal Neuralgia vs. Neuritis Neuroblastoma vs. Pheochromocytoma Neuroblastoma vs. Wilms Tumor Neurocognitive Disorders vs. Neurodevelopmental Disorders Neurodegeneration vs. Neuroinflammation Neurofibroma vs. Neurofibromatosis Neurofibroma vs. Schwannoma Neurogenic Claudication vs. Vascular Claudication Neurogenic Shock vs. Spinal Shock Neuroglia vs. Neurons Neuroleptic Malignant Syndrome vs. Serotonin Syndrome Neurologist vs. Neurosurgeon Neurology vs. Neuroscience Neuromodulator vs. Neurotransmitter Neuromuscular Junction vs. Synapse Neurons vs. Neurotransmitters Neuropathic Pain vs. Nociceptive Pain Neuropathy vs. Restless Leg Syndrome Neuropeptides vs. Neurotransmitters Neurosis vs. Psychosis Neuter vs. Spay Neutral Mutation vs. Silent Mutation Neutralization vs. Opsonization Neutralization vs. Titration Neutrino vs. Neutron Neutron vs. Proton Nevertheless vs. Nonetheless New Domain Names vs. Old Domain Names gTLD New Girl vs. That Girl New Left vs. Old Left New Media vs. Online Media New Passport vs. Passport Renewal New Regionalism vs. Old Regionalism New Regionalism vs. Regionalism New Stanley Water Bottle vs. Old Stanley Water Bottle New Stanley's vs. Old Stanley's New Testament vs. Old Testament New vs. Refurbished New Wave vs. Rock New World Monkeys vs. Old World Monkeys New York Giants vs. New York Knicks New York Jets vs. Pittsburgh Steelers New York Times vs. Wall Street Journal New Zealand vs. Switzerland Newman Projection vs. Sawhorse Projection NewsNation vs. Scripps News Newspaper vs. Online News Newt vs. Salamander Newtonian Fluids vs. Non-Newtonian Fluids Nexium vs. Omeprazole Nexium vs. Prilosec Next Generation Sequencing vs. Pyrosequencing Next Generation Sequencing vs. Sanger Sequencing Next Generation Sequencing vs. Shotgun Sequencing Next Generation TV Technology vs. TV Applications Nexus S 4G vs. Samsung Galaxy S 4G NF3 vs. NH3 NFC vs. RFID NFkB1 vs. NFkB2 NFL vs. Rugby NFL vs. XFL NGC 22 Galaxy vs. NGC 23 Galaxy NGO vs. NPO NGS vs. Sanger NGS vs. Sanger Sequencing NGS vs. WGS NH2 Column vs. Phenyl Column NH3N vs. NH4NO3 Niacin vs. Niacinamide Niacin vs. Niaspan Niacin vs. Nicotinamide Niacin vs. Nicotinic Acid Niacin vs. Vitamin B3 NIC Card vs. NIC Teaming NIC Teaming vs. Network Attached Storage NIC Teaming vs. Reverse Proxy NiCd vs. NiMH Nickel Plating vs. Zinc Plating Nickel vs. Raney Nickel Nickel vs. Silver Nickel vs. Stainless Steel Nicotinamide Adenine Dinucleotide vs. Nicotinamide Riboside Nicotinamide Mononucleotide vs. Nicotinamide Riboside Nicotinamide vs. Nicotinamide Riboside Nicotinamide vs. Nicotinic Acid Nicotine vs. Tobacco Nicotine vs. Vaping Nidicolous vs. Nidifugous Niece vs. Nieces Niemann-Pick Disease vs. Tay-Sachs Disease Nifty vs. Sensex Niger vs. Nigeria Night Terrors vs. Nightmares Nigiri vs. Sashimi Nike Pros vs. Under Armour Nikon D3000 vs. Nikon D3100 Nikon D3100 vs. Nikon D3200 Nikon D3100 vs. Nikon D5000 Nikon D3100 vs. Nikon D5100 Nikon D3100 vs. Nikon D7000 Nikon D3200 vs. Nikon D5100 Nikon D3200 vs. Nikon D5200 Nikon D5 vs. Nikon D810 Nikon D5000 vs. Nikon D5100 Nikon D5100 vs. Nikon D5200 Nikon D5100 vs. Nikon D7000 Nikon D5100 vs. Nikon D90 Nikon D5100 vs. Olympus E-P3 Nikon D5200 vs. Nikon D7100 Nikon D5300 vs. Nikon D5500 Nikon D7000 vs. Nikon D90 Nikon D7000 vs. Pentax K-5 Nikon D7000 vs. Sony Cyber-shot DSC-T99 Nikon D750 vs. Nikon D810 Nil vs. Null Ninja vs. Samurai Nintendo 3DS vs. Sony Quad Core Next Gen PSP PSP2 Nintendo 64 vs. Sony PlayStation 1 (PS1) Nintendo DS Lite vs. Nintendo DSi XL Nintendo DSi vs. Nintendo DSi XL Nintendo DSi vs. Sony PSP Go Nintendo vs. SEGA Nintendo vs. Sony Nintendo vs. XBOX Niobium vs. Rubidium Niobium vs. Titanium Nirvana vs. Pearl Jam Nisha's Striker vs. Valeria's Hyper SMG NIST 800-37 vs. NIST 800-52 Nitrate of Soda 16-0-0 vs. Sodium Nitrate 99 Nitrate vs. Nitrite Nitrate vs. Nitrogen Nitric Acid vs. Nitrous Acid Nitric Oxide vs. Nitrous Oxide Nitrification vs. Nitrogen Fixation Nitrile Gloves vs. Vinyl Gloves Nitrile vs. Viton Nitrite vs. Nitrogen Dioxide Nitrobacter vs. Nitrosomonas Nitrocellulose Membrane vs. Nylon Membrane Nitrocellulose vs. PVDF Nitrogen Cycle vs. Water Cycle Nitrogen Fertilizer vs. Phosphorus Fertilizer Nitrogen in Tires vs. Normal Air Nitrogen vs. Oxygen Nitrogen vs. Phosphorus Nitronium vs. Nitrosyl NIV vs. NLT NK Cells vs. NK Cells NMAP vs. NSlookup Nmap vs. TheHarvester NMOS vs. PMOS NMR vs. X-ray Crystallography NMS vs. Serotonin Syndrome NNRTI vs. NRTI No Joke vs. Woke No One vs. Nobody No Pet vs. Pet No Pineapples on Pizza vs. Pineapple on Pizza No vs. Not No vs. Yes Noael vs. Noel Nobility vs. Royalty Nod-Like Receptors vs. Toll-Like Receptors Noise Cancelling vs. Noise Isolating Noise vs. Signal Noise vs. Sound Nokia 500 vs. Nokia 700 Nokia 700 vs. Nokia E7-00 Nokia 808 PureView vs. Nokia Lumia 800 Nokia Astound C7 vs. Nokia C7 Nokia C5-03 vs. Nokia C6-01 Nokia C7 vs. Nokia N8 Nokia E63 vs. Nokia E71 Nokia E63 vs. Nokia E71-2 Nokia E7 vs. Nokia N8 Nokia E7 vs. Nokia N9 Nokia Lumia 1020 vs. Nokia Lumia 925 Nokia Lumia 1020 vs. Samsung Galaxy S4 Nokia Lumia 610 vs. Nokia Lumia 710 Nokia Lumia 710 vs. Samsung Galaxy S Blaze 4G Nokia Lumia 800 vs. iPhone 4S Nokia Lumia 800 vs. Nokia Lumia 820 Nokia Lumia 900 vs. Nokia Lumia 920 Nokia N8 vs. Nokia N9 Nokia N8 vs. Nokia X3-02 Nokia N8 vs. Samsung Galaxy S II Nokia N8 vs. Sony Ericsson Xperia X10 Nokia N9 vs. iPhone 4 Nokia N9 vs. iPhone 4S Nokia N9 vs. Samsung Galaxy S II Nokia N97 vs. Nokia N97 Mini Nomadic Herding vs. Shifting Cultivation Nomadic vs. Sedentary Nominal Account vs. Real Account Nominal Exchange Rate vs. Real Exchange Rate Nominal GDP vs. Real GDP Nominal Interest Rate vs. Real Interest Rate Nominal Phrase vs. Noun Phrase Nominal vs. Ordinal Non-GMO vs. Organic Non-Ohmic Conductors vs. Ohmic Conductors Non-Oxidizing Biocides vs. Oxidizing Biocides Non-Oxygenated Gasoline vs. Oxygenated Gasoline Non-participating Preferred Stock vs. Participating Preferred Stock Non Programmable Sensors vs. Programmable Sensors Non-qualified Stock Options vs. Qualified Stock Options Non Racist vs. Racist Non-Readers vs. Poor Readers Non-Rebreather vs. Partial Rebreather Non-Rechargeable Batteries vs. Rechargeable Batteries Non-Reflective XSS vs. Reflective XSS Non Saponifiable Lipids vs. Saponifiable Lipids Non-Scheduled Banks vs. Scheduled Banks Non-Scientific Research vs. Scientific Research Non-Self Antigens vs. Self Non Silicate Minerals vs. Silicate Minerals Non-Small Cell Lung Cancer vs. Small Cell Lung Cancer Non-State Actor Duty in Justice as Fairness Theory vs. Non-State Actor Duty in Theories of Justice in African Context Non-State Actor vs. Terrorist Non-State Actors vs. State Actors Non-Static Method vs. Static Method Non-Tariff Barriers vs. Tariff Barriers Non-Thermoreversible Gel vs. Thermoreversible Gel Non-Volatile vs. Volatile Non vs. None Nonacnegenic vs. Noncomedogenic Nondisjunction Mutations vs. Translocation Mutations Nonorganic Food vs. Organic Food Nonoxidative Pentose Phosphate Pathway vs. Oxidative Pentose Phosphate Pathway Nonparametric vs. Parametric Nonpassive Income vs. Passive Income Nonpoint Source Pollution vs. Point Source Pollution Nonpolar Amino Acids vs. Polar Amino Acids Nonpolar Covalent Bonds vs. Polar Covalent Bonds Nonpolar Solvents vs. Polar Solvents Nonpolar vs. Polar Nonpolarizable Electrode vs. Polarizable Electrode Nonpolarized Cells vs. Polarized Cells Nonpreemptive Scheduling vs. Preemptive Scheduling Nonprofessional Antigen Presenting Cells vs. Professional Antigen Presenting Cells Nonprofit vs. Not-for-Profit Nonproliferative Retinopathy vs. Proliferative Retinopathy Nonproteinogenic Amino Acids vs. Proteinogenic Amino Acids Nonprovisional Patent vs. Provisional Patent Nonqualified Annuity vs. Qualified Annuity Nonradioactive Probes vs. Radioactive Probes Nonrecombinant vs. Recombinant Nonrecourse Debt vs. Recourse Debt Nonredox Reactions vs. Redox Reactions Nonrelational Database Services vs. Relational Database Services Nonrenewable Energy vs. Renewable Energy Nonrenewable Resources vs. Renewable Resources Nonrestrictive Clause vs. Restrictive Nonruminant Animals vs. Ruminant Animals Nonseminoma vs. Seminoma Nonsister Chromatids vs. Sister Chromatids Nonspecific Immunity vs. Specific Immunity Nonspontaneous Reactions vs. Spontaneous Reactions Nonstatutory Law vs. Statutory Law Nonsteroidal Anti-Inflammatory Drugs vs. Steroidal Drugs Nonstoichiometric Defects vs. Stoichiometric Defects Nonsynonymous Mutation vs. Synonymous Mutation Nontoxic Goiter vs. Toxic Goiter Nontreponemal Test vs. Treponemal Test Nonuniform Motion vs. Uniform Motion Nonuniform Quantization vs. Uniform Quantization Nonvalvular AF vs. Valvular AF Nonvascular Plants vs. Vascular Plants Nonvenomous Snakes vs. Venomous Snakes Nonverbal Communication vs. Verbal Communication Nonviral Vectors vs. Viral Vectors Nonvolatile Acids vs. Volatile Acids Nonvolatile Memory vs. Volatile Memory Nonvolatile vs. Volatile Nonwoven Fabrics vs. Woven Fabrics Nonylphenol vs. Phenol Noodle vs. Pasta Noodles vs. Pasta Noodles vs. Spaghetti Nook Color vs. iPad 2 Wi-Fi Nook HD Tablet vs. iPad Mini Nook vs. Nook Color NOPAT vs. Net Income Nor vs. Or Norco vs. Vicodin Nordic vs. Scandinavian Norfolk Terrier vs. Norwich Terrier Normal Bank vs. Swiss Bank Normal Boiling Point vs. Standard Boiling Point Normal Cells vs. Stem Cells Normal Discharge vs. Yeast Infection Normal Distribution vs. Poisson Distribution Normal Distribution vs. Probability Distribution Approximations Normal Edition Twilight Books vs. Special Edition Twilight Books Normal Edition vs. Radio Edition Normal Hemoglobin vs. Sickle Cell Hemoglobin Normal Intubation vs. Rapid Sequence Intubation Normal Mode vs. Safe Mode Normal Phase HPLC vs. Reverse Phase HPLC Normal Phase HPLC vs. Reversed Phase HPLC Normal Red Blood Cell vs. Sickle Cell Normal Skin Tissue vs. Scar Tissue Normality Factor vs. Titration Error Normalization vs. Scaling Normally vs. Usually Normative Economics vs. Positive Economics Normative State vs. Prerogative State Norms vs. Rules Norms vs. Values Norovirus vs. Rotavirus North Africa vs. South Africa North America vs. South America North America vs. USA North India vs. South India North Indian Food vs. South Indian Food North Indian Temples vs. South Indian Temples North Korea vs. South Korea North Pole vs. South Pole North Vietnamese vs. South Vietnamese Northern Ireland vs. Republic of Ireland Norton Antivirus 2011 vs. Norton Internet Security 2011 Norway vs. Sweden Nostalgia vs. Reminisce Nostoc vs. Oscillatoria Not Owning a Pet vs. Owning a Pet Note 5 vs. Samsung Galaxy S7 Note vs. Notice Notepad vs. WordPad Notes vs. Treasury Bills Notice vs. Notification Noting vs. Zika Virus Notion Ink Adam vs. iPad Notochord vs. Vertebral Column Noun Clause vs. Noun Phrase Noun vs. Pronoun Noun vs. Subject Noun vs. Verb Nouns vs. Pronouns Nouns vs. Proper Nouns Nouns vs. Verbs Nova vs. Supernova Novak Djokovic vs. Rafael Nadal Novarel vs. Pregnyl Novel vs. Novella Novel vs. Short Story NPH vs. Regular Insulin Npm vs. Yarn NPN Transistor vs. PNP Transistor NRE Account vs. NRO Account NREM Sleep vs. REM Sleep NRF1 vs. NRF2 NSAIDs vs. Salicylates NSTE-ACS vs. STEMI NTSC vs. PAL Nubuck vs. Suede Nucellus vs. Tapetum Nuclear Bomb vs. Nuclear Reactor Nuclear Energy vs. Solar Energy Nuclear Fission vs. Nuclear Fusion Nuclear Lamina vs. Nuclear Matrix Nuclear Meltdown vs. Nuclear War Nuclear Power Plant vs. Thermal Power Plant Nuclear Power vs. Solar Energy Nuclear vs. Thermal Nucleation vs. Particle Growth Nucleic Acid vs. Nucleotide Nucleoid vs. Nucleus Nucleolus vs. Nucleus Nucleoside Reverse Transcriptase Inhibitors vs. Nucleotide Reverse Transcriptase Inhibitors Nucleoside vs. Nucleotide Nudibranch vs. Sea Hare Nuisance vs. Trespass Null vs. Undefined Null vs. Zero Number Average vs. Weight Average Molecular Weight Numbers vs. Numerals Numbness vs. Tingling Nun vs. Sister Nurse Practitioner vs. Physician Assistant Nurse Practitioners vs. Registered Nurses Nursery vs. Preschool Nusselt Number vs. Prandtl Number Nusselt Number vs. Stanton Number Nut vs. Seed Nutrient Agar vs. Nutrient Broth Nuts vs. Seeds Nuvigil vs. Provigil Nvarchar vs. Varchar NVIDIA Kal-El Tegra 3 vs. NVIDIA Tegra 2 NVIDIA Tegra 2 Dual Core Mobile Processor vs. Tegra 3 Quad Core Kal-El Mobile Processor NVIDIA Tegra 2 vs. NVIDIA Tegra 3 NVIDIA Tegra 2 vs. Samsung Exynos 4210 NVIDIA Tegra 3 vs. Samsung Exynos 4210 NVIDIA Tegra 3 vs. TI OMAP4460 NVRAM vs. RAM Nylon Strings vs. Steel Strings Nylon vs. Polyamide Nylon vs. Polyester Nylon vs. Polypropylene Nylon vs. Rayon Nylon vs. Teflon Nylon Wheel vs. Polyurethane Wheel Nylon Wheel vs. TPR Wheel Nymph Wind vs. Plain Jane