NOUN is a playable word

noun Scrabble® Dictionary

noun
pl. nouns
a word used to denote the name of something
(adjective) nounal, nounless (adverb) nounally
6 Playable Words can be made from "NOUN"
   2-Letter Words (4 found)
   3-Letter Words (1 found)
   4-Letter Words (1 found)