UNCURB is a playable word

uncurb Scrabble® Dictionary

verb
uncurbed, uncurbing, uncurbs
to remove restraints from
16 Playable Words can be made from "UNCURB"
   2-Letter Words (2 found)
   3-Letter Words (10 found)
   4-Letter Words (3 found)
   6-Letter Words (1 found)