FULLEST is a playable word

full Scrabble® Dictionary

adjective
fuller, fullest
filled completely
verb
fulled, fulling, fulls
to shrink and thicken, as cloth
71 Playable Words can be made from "FULLEST"
   2-Letter Words (8 found)
   3-Letter Words (20 found)
   6-Letter Words (2 found)
   7-Letter Words (1 found)