SPONGIN is a playable word

spongin Scrabble® Dictionary

noun
pl. spongins
a fibrous material
71 Playable Words can be made from "SPONGIN"
   2-Letter Words (13 found)
   3-Letter Words (22 found)
   5-Letter Words (10 found)
   6-Letter Words (5 found)
   7-Letter Words (1 found)