BOOSTS is a playable word

boost Scrabble® Dictionary

verb
boosted, boosting, boosts
to support
27 Playable Words can be made from "BOOSTS"
   2-Letter Words (4 found)
   3-Letter Words (8 found)
   4-Letter Words (10 found)
   5-Letter Words (4 found)
   6-Letter Words (1 found)