OUTBLOOM is a playable word

outbloom Scrabble® Dictionary

verb
outbloomed, outblooming, outblooms
to surpass in blooming
53 Playable Words can be made from "OUTBLOOM"
   2-Letter Words (8 found)
   3-Letter Words (19 found)
   5-Letter Words (4 found)
   7-Letter Words (1 found)
   8-Letter Words (1 found)