SILO 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
14 Playable Words can be made from "SILO"
   2-Letter Words (7 found)
   3-Letter Words (3 found)
   4-Letter Words (4 found)