ESTERIFYING is a playable word

esterify Scrabble® Dictionary

verb
esterified, esterifying, esterifies
to convert into an ester
563 Playable Words can be made from "ESTERIFYING"
   2-Letter Words (17 found)
   9-Letter Words (4 found)
   10-Letter Words (1 found)
   11-Letter Words (1 found)