AUXESIS is a playable word

auxesis Scrabble® Dictionary

noun
pl. auxeses
an increase in cell size without cell division
40 Playable Words can be made from "AUXESIS"
   2-Letter Words (11 found)
   3-Letter Words (17 found)
   4-Letter Words (7 found)
   5-Letter Words (3 found)
   6-Letter Words (1 found)
   7-Letter Words (1 found)