OUTGRINNED is a playable word

outgrin Scrabble® Dictionary

verb
outgrinned, outgrinning, outgrins
to surpass in grinning
532 Playable Words can be made from "OUTGRINNED"
   2-Letter Words (25 found)
   3-Letter Words (87 found)
   9-Letter Words (1 found)
   10-Letter Words (1 found)