SWIMMIER is a playable word

swimmy Scrabble® Dictionary

adjective
swimmier, swimmiest
dizzy
(adverb) swimmily
69 Playable Words can be made from "SWIMMIER"
   2-Letter Words (11 found)
   3-Letter Words (20 found)
   5-Letter Words (10 found)
   6-Letter Words (3 found)
   7-Letter Words (1 found)
   8-Letter Words (1 found)