ETHYNYL is a playable word

ethynyl Scrabble® Dictionary

noun
pl. ethynyls
a univalent chemical radical
33 Playable Words can be made from "ETHYNYL"
   2-Letter Words (8 found)
   3-Letter Words (17 found)
   4-Letter Words (6 found)
   5-Letter Words (1 found)
   7-Letter Words (1 found)