GROTTOS is a playable word

grotto Scrabble® Dictionary

noun
pl. grottos or grottoes
a cave
(adjective) grottoed
57 Playable Words can be made from "GROTTOS"
   2-Letter Words (5 found)
   3-Letter Words (15 found)
   5-Letter Words (13 found)
   6-Letter Words (1 found)
   7-Letter Words (1 found)