CRACKUPS is a playable word

crackup Scrabble® Dictionary

noun
pl. crackups
a collision
103 Playable Words can be made from "CRACKUPS"
   2-Letter Words (6 found)
   3-Letter Words (30 found)
   6-Letter Words (3 found)
   7-Letter Words (1 found)
   8-Letter Words (1 found)