Ouija vs Ouija board

Ouija and Ouija board both are nouns.

Word	Noun	Adjective	Verb	Adverb
Ouija	Yes	No	No	No
Ouija board	Yes	No	No	No

As nouns, Ouija and Ouija board are synonyms defined as:

Ouija and Ouija board: a board with the alphabet on it; used with a planchette to spell out supernatural messages

Ouija (noun)	Ouija board (noun)
a board with the alphabet on it; used with a planchette to spell out supernatural messages	a board with the alphabet on it; used with a planchette to spell out supernatural messages