SCUBA is a playable word

scuba Scrabble® Dictionary

verb
scubaed, scubaing, scubas
to swim underwater using a breathing device with compressed air
18 Playable Words can be made from "SCUBA"
   2-Letter Words (4 found)
   3-Letter Words (9 found)
   4-Letter Words (4 found)
   5-Letter Words (1 found)