nortil (probably *nortill-) noun "a cape (of land), only used of the ends of promontories or other seaward projections that were relatively sharp and spike-like" (VT47:28)
nostanoun "birth, birthday" (LT1:272; maybe not a valid word in Tolkien’s later Quenya because the meaning of the corresponding verb was changed from "give birth" to "beget")
nosta- vb., variously glossed "beget" (SD:73) or passive “be begotten” (PE17:170); in earlier "Qenya" the gloss was "give birth" (LT1:272)