GROTTO is a playable word

grotto Scrabble® Dictionary

noun
pl. grottos or grottoes
a cave
(adjective) grottoed
26 Playable Words can be made from "GROTTO"
   2-Letter Words (3 found)
   3-Letter Words (12 found)
   4-Letter Words (9 found)
   5-Letter Words (1 found)
   6-Letter Words (1 found)