ONION is a playable word

onion Scrabble® Dictionary

noun
pl. onions
the edible bulb of a cultivated herb
(adjective) oniony
11 Playable Words can be made from "ONION"
   2-Letter Words (4 found)
   3-Letter Words (4 found)
   4-Letter Words (2 found)
   5-Letter Words (1 found)