HILARITY is a playable word

hilarity Scrabble® Dictionary

noun
pl. hilarities
noisy merriment
95 Playable Words can be made from "HILARITY"
   2-Letter Words (14 found)
   3-Letter Words (26 found)
   6-Letter Words (3 found)
   7-Letter Words (1 found)
   8-Letter Words (1 found)