BLOWUP is a playable word

blowup Scrabble® Dictionary

noun
pl. blowups
an explosion
24 Playable Words can be made from "BLOWUP"
   2-Letter Words (7 found)
   3-Letter Words (11 found)
   4-Letter Words (4 found)
   5-Letter Words (1 found)
   6-Letter Words (1 found)