OPTIMIZING is a playable word

optimize Scrabble® Dictionary

verb
optimized, optimizing, optimizes
to make as perfect, useful, or effective as possible
85 Playable Words can be made from "OPTIMIZING"
   2-Letter Words (15 found)
   4-Letter Words (17 found)
   5-Letter Words (12 found)
   6-Letter Words (5 found)
   10-Letter Words (1 found)