CACTUS is a playable word

cactus Scrabble® Dictionary

noun
pl. cactuses or cacti
a plant native to arid regions
(adjective) cactoid
26 Playable Words can be made from "CACTUS"
   2-Letter Words (5 found)
   3-Letter Words (11 found)
   4-Letter Words (8 found)
   5-Letter Words (1 found)
   6-Letter Words (1 found)