COEFFECT is a playable word

coeffect Scrabble® Dictionary

noun
pl. coeffects
an accompanying effect
32 Playable Words can be made from "COEFFECT"
   2-Letter Words (7 found)
   3-Letter Words (13 found)
   4-Letter Words (8 found)
   6-Letter Words (3 found)
   8-Letter Words (1 found)