SYNESISES is a playable word

synesis Scrabble® Dictionary

noun
pl. synesises
a type of grammatical construction
60 Playable Words can be made from "SYNESISES"
   2-Letter Words (7 found)
   3-Letter Words (14 found)
   4-Letter Words (17 found)
   5-Letter Words (12 found)
   6-Letter Words (7 found)
   7-Letter Words (2 found)
   9-Letter Words (1 found)