CHASSIS is a playable word

chassis Scrabble® Dictionary

noun
pl. chassis
the frame of a car
39 Playable Words can be made from "CHASSIS"
   2-Letter Words (8 found)
   3-Letter Words (15 found)
   4-Letter Words (12 found)
   5-Letter Words (2 found)
   6-Letter Words (1 found)
   7-Letter Words (1 found)