STOWAWAY is a playable word

stowaway Scrabble® Dictionary

noun
pl. stowaways
one who hides aboard a conveyance to obtain free passage
78 Playable Words can be made from "STOWAWAY"
   2-Letter Words (14 found)
   3-Letter Words (30 found)
   5-Letter Words (1 found)
   7-Letter Words (1 found)
   8-Letter Words (2 found)