SYNONYM is a playable word

synonym Scrabble® Dictionary

noun
pl. synonyms
a word having the same meaning as another
27 Playable Words can be made from "SYNONYM"
   2-Letter Words (9 found)
   3-Letter Words (12 found)
   4-Letter Words (4 found)
   5-Letter Words (1 found)
   7-Letter Words (1 found)