MAILROOM is a playable word

mailroom Scrabble® Dictionary

noun
pl. mailrooms
a room for processing mail
83 Playable Words can be made from "MAILROOM"
   2-Letter Words (14 found)
   3-Letter Words (30 found)
   5-Letter Words (4 found)
   6-Letter Words (1 found)
   7-Letter Words (1 found)
   8-Letter Words (1 found)