YUMMIER is a playable word

yummy Scrabble® Dictionary

adjective
yummier, yummiest
delicious
noun
pl. yummies
something delicious
37 Playable Words can be made from "YUMMIER"
   2-Letter Words (10 found)
   3-Letter Words (15 found)
   4-Letter Words (8 found)
   5-Letter Words (2 found)
   6-Letter Words (1 found)
   7-Letter Words (1 found)