| naris | nostril |  | nar- | naris | internarial, nares, narial, naris, prenarial |
| narrare | tell |  | narr- | narrare | counternarrative, inenarrable, narration, narrative, narrator |
| nascere | born |  | nasc-, nat- | nascere, nāsci (past participle natus) | adnascent, adnate, adnation, agnate, agnatic, agnation, binational, cognate, cognatic, cognation, connascence, connascent, connate, connation, connatural, denature, enascent, enate, enatic, enation, impregnate, innate, international, multinational, nada, naïf, naissant, naïve, nascency, nascent, natal, natality, nation, national, nationality, native, nativity, natural, naturality, nature, née, nonnative, postnatal, pregnancy, pregnant, prenatal, preternatural, renaissance, renaissant, renascence, renascent, renature, subnational, supernatural, supranational, transnational, transnationality |
| nebula | cloud |  | neb-, nub- | nebula, nubes | nebula, nebular, nebulosity, nebulous, nuance, nubilous, obnubilate |
| nectere | join, tie |  | nect-, nex- | nectere, nexus | adnexum, annectent, annex, annexation, annexion, connect, connexion, deannexation, disconnect, interconnect, nexus, reconnect |
| negare | say no |  | neg- | negare | negative, renegade, renege |
| nemus | grove, woods |  | nemor- | nemus, nemoris | nemoral, nemorous |
| nervus | sinew, nerve |  | nerv- | nervus | enervate, enervation, enervative, innervate, innervation, nerval, nervate, nerve, nervose, nervosity, nervous, reinnervation, trinervate |
| nictari | beckon, wink |  | nict- | nictari | nictate, nictation, nictitate, nictitation |
| niger | black |  | nigr- | niger | denigrate, denigration, denigrative, denigrator, negrita, nigrities, negrito, negritude, nigrescence, nigrescent, nigrine, nigritude |
| nihilum | nothing |  | nihil- | nihilum | annihilate, annihilation, annihilator, nihil, nil |
| nix | snow |  | niv- | nix, nivis | Nevada, névé, nival, nivation, niveus, subnival, subnivean |
| nocere | hurt, harm |  | noc- | nocere | innocence, innocent, innocuity, innocuous, innoxious, nocebo, nocent, nociception, nociceptive, nocifensor, nocument, nocuous, noxious, nuisance, obnoxious |
| nodus | knot |  | nod- | nodus | acnode, binodal, crunode, denouement, extranodal, internodal, internode, intranodal, multinodal, nodal, node, nodose, nodosity, nodular, nodulation, nodule, nodulose, nodulus, nodus, supernode, tacnode, trinodal, uninodal |
| nomen | name |  | nomen-, nomin- | nomen, nominis | agnomen, agnominal, agnomination, binomen, binominal, denomination, denominational, denominative, denominator, ignominious, ignominy, innominate, innomine, interdenominational, multidenominational, multinominal, nomenclator, nomenclature, nominal, nominate, nomination, nominative, nominator, nominee, nondenominational, noun, postnominal, praenomen, prenominal, pronominal, pronoun, redenomination, renominate, renown, surnominal, trinomen, trinominal |
| nonageni | ninety each |  | nonagen- | nonageni | nonagenarian, nonagenary |
| nonagesimus | ninetieth |  | nonagesim- | nonagesimus | nonagesimal |
| non | not |  | non- | non | none, nonexistent, non-fiction, noninvasive |
| norma | carpenter's square |  | norm- | norma | abnormal, abnormality, binormal, circumnormal, denormal, enormity, enormous, nonnormal, nonnormative, norm, normable, normal, normality, normative, quasinorm, seminorm, seminormable, seminormal, subnormal |
| notare | letter, mark, note |  | not- | notare | annotate, annotation, annotator, connotation, connotational, connotative, connote, denotation, denotational, denotative, denotatum, denote, nondenotative, nonnotable, nonnotational, notability, notable, notarial, notariat, notary, notate, notation, notational |
| novem | nine |  | nov-, nome-, non-, novem- | novem | November, novennial, Nonillion, Nomedecillion |
| novendecim | nineteen |  | novendec- | novendecim | novemdecillion |
| noveni | nine each | | noven- | noveni | Novena, novenary |
| novus | new |  | nov- | novus | innovate, innovation, innovational, innovative, innovator, innovatory, nova, novation, novel, novella, novelty, novice, novitiate, renovatable, renovate, renovation, renovative, renovator, supernova |
| noxa | harm |  | nox- | noxa | noxious, obnoxious |
| nox | night |  | noct- | nox (noctis) | equinoctial, equinox, noctambulous, noctiluca, noctilucent, noctule, nocturn, nocturnal, nocturnality, nocturne, notturno, seminocturnal, trinoctial |
| nubes | to marry, to wed |  | nub-, nupt- | nubes, nubis, nubere | connubial, connubiality, nubile, nuptial, postnuptial, prenuptial |
| nucha | back of neck |  | nuch- | nucha | nuchal cord |
| nudus | naked |  | nud- | nudus | denudation, denude, nonnude, nude, nudist, nudity, seminude, seminudity |
| nuere | nod |  | nu- | nuere | circumnutate, circumnutation, counternutation, innuendo, innuent, numen, numinous, nutant, nutation |
| nullus | none |  | null- | nullus | nullify |
| numerus | number |  | numer- | numerus | denumerable, enumerable, enumerate, enumeration, enumerative, enumerator, equinumerant, equinumerous, innumerable, innumeracy, innumerate, innumerous, nonenumerative, numerable, numeracy, numéraire, numeral, numerary, numerate, numeration, numerative, numerator, numerical, numero, numerosity, numerous, renumerate, supernumerary |
| nuntius | announce |  | nunci- | nuntius | announce, announcement, annunciation, denounce, denouncement, denunciation, enounce, enouncement, enunciable, enunciate, enunciation, enunciative, internuncial, internuncio, nunciature, nuncio, obnounce, pronounce, pronouncement, pronunciation, pronuntiatio, renounce, renouncement, renunciation |
| nutrire | nourish |  | nutri- | nutrire | innutrition, malnourish, malnourishment, malnutrition, nonnutritional, nourish, nourishment, nurse, nurturance, nurture, nutrient, nutriment, nutrition, nutritional, nutritious |
| nux | nut |  | nuc- | nux, nucis | enucleate, enucleation, extranuclear, internuclear, intranuclear, multinucleate, nougat, nucament, nucellar, nucellus, nucifer, nuciferine, nuciferous, nuciform, Nucifraga, nucivorous, nuclear, nucleate, nucleation, nucleolar, nucleolate, nucleolus, nucleus, pronuclear, pronucleus, supranuclear |
| nāpus | turnip |  | nap- | nāpus | napiform, neep |
| nāsus | nose |  | nas- | nāsus | intranasal, nasal, nasalance, nasalis, nasality, nasolabial, nonnasal |
| nāvis | ship |  | nav- | nāvis | antenave, naval, nave, navicular, navigable, navigate, navy, nonnavigable |
| nōnus | ninth |  | non- | nōnus | nonary, None, nonet, noon |
