PORISMS is a playable word

porism Scrabble® Dictionary

noun
pl. porisms
a type of mathematical proposition
82 Playable Words can be made from "PORISMS"
   2-Letter Words (12 found)
   3-Letter Words (28 found)
   5-Letter Words (10 found)
   6-Letter Words (4 found)
   7-Letter Words (1 found)