nō-, older; gnō-, know; nobilis, noble; nōtus, well known; nō-men (nōmĭn-), name; ignōr-āre, not to know; nobility, i-gnoble (i = in, not), en-noble, notice and notify, notion, notorious, noun (Fr.), nominal, ignomin-ious, nominate, nomina-tive, denominator, ignorant.
nŏce-o, I harm; nox-ius, hurtful: in-noc-ent, innocuous, noxious, nuisance.
norma, a rule; root nō- as in nōtus: normal, abnormal, enormous.
nota, a mark; nŏt-o, (nŏtāt-), I mark: note and notable (Fr.), notary.
nŏvus, new; nuntius, news: novel and novice (Fr.), in-nov-ation, denunciate, an-nunciation = announcement (Fr.), pronounce (Fr.).
nox (noct-), night: noct-urnal, equi-nox, equinoctial.
nūbĕre (nupt-), to marry: con-nubial, nuptial.
nutri-o (nutrīt-), I nourish; nutrix (nutrīc-), a nurse: nutri-ent, nutri-ment, nutritious; through Fr., nurse, nursling, nourish, nurture.
Ŏculus, eye: ocular, oculist, ocellus.