YELLOWER is a playable word

yellow Scrabble® Dictionary

adjective
yellower, yellowest
of a bright color like that of ripe lemons
(adverb) yellowly
verb
yellowed, yellowing, yellows
to make or become yellow
76 Playable Words can be made from "YELLOWER"
   2-Letter Words (13 found)
   3-Letter Words (24 found)
   5-Letter Words (5 found)
   6-Letter Words (5 found)
   8-Letter Words (1 found)