SITUPS is a playable word

situp Scrabble® Dictionary

noun
pl. situps
an exercise in which one moves from a lying to a sitting position
46 Playable Words can be made from "SITUPS"
   2-Letter Words (8 found)
   3-Letter Words (19 found)
   4-Letter Words (14 found)
   5-Letter Words (4 found)
   6-Letter Words (1 found)