SILOS is a playable word

silo Scrabble® Dictionary

noun
pl. silos
a tall, cylindrical structure for storing fodder
verb
siloed, siloing, siloes
to store in a silo
20 Playable Words can be made from "SILOS"
   2-Letter Words (7 found)
   3-Letter Words (5 found)
   4-Letter Words (6 found)
   5-Letter Words (2 found)