SUPERB is a playable word

superb Scrabble® Dictionary

adjective
superber, superbest
of excellent quality
(adverb) superbly
59 Playable Words can be made from "SUPERB"
   2-Letter Words (7 found)
   3-Letter Words (22 found)
   5-Letter Words (9 found)
   6-Letter Words (1 found)