SMASHUPS is a playable word

smashup Scrabble® Dictionary

noun
pl. smashups
a collision of motor vehicles
94 Playable Words can be made from "SMASHUPS"
   2-Letter Words (13 found)
   3-Letter Words (28 found)
   5-Letter Words (12 found)
   6-Letter Words (5 found)
   7-Letter Words (2 found)
   8-Letter Words (1 found)