PREMIXING is a playable word

premix Scrabble® Dictionary

verb
premixed or premixt, premixing, premixes
to mix before use
119 Playable Words can be made from "PREMIXING"
   2-Letter Words (13 found)
   6-Letter Words (9 found)
   7-Letter Words (8 found)
   8-Letter Words (3 found)
   9-Letter Words (1 found)