PHYSIS is a playable word

physis Scrabble® Dictionary

noun
pl. physes
the principle of growth or change in nature
30 Playable Words can be made from "PHYSIS"
   2-Letter Words (5 found)
   3-Letter Words (11 found)
   4-Letter Words (10 found)
   5-Letter Words (3 found)
   6-Letter Words (1 found)