stowaway

Noun

A person who hides on a conveyance to travel without paying.
a person who hides aboard a ship or plane in the hope of getting free passage
A person who hides on board a ship, train, etc. so as to get a free passage.

Examples

He found a STOWAWAY word on his rack, a perfect fit he hadn’t seen initially.

Origin / Etymology

From stow away, from stow and away.

Scrabble Score: 17

stowaway: valid Scrabble (US) TWL Word
stowaway: valid Scrabble Word in Merriam-Webster MW Dictionary
stowaway: valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 16

stowaway: valid Words With Friends Word