SWISHIER is a playable word

swishy Scrabble® Dictionary

adjective
swishier, swishiest
making a swishing sound
90 Playable Words can be made from "SWISHIER"
   2-Letter Words (11 found)
   3-Letter Words (18 found)
   6-Letter Words (9 found)
   7-Letter Words (4 found)
   8-Letter Words (1 found)