ISTHMUS is a playable word

isthmus Scrabble® Dictionary

noun
pl. isthmuses or isthmi
a strip of land connecting two larger land masses

83 Playable Words can be made from "ISTHMUS"

   2-Letter Words (13 found)

   3-Letter Words (20 found)

   6-Letter Words (2 found)

   7-Letter Words (1 found)