Ouija board vs gameboard

Ouija board and gameboard both are nouns.

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

As nouns, gameboard is a hypernym of Ouija board; that is, gameboard is a word with a broader meaning than Ouija board:

Ouija board: a board with the alphabet on it; used with a planchette to spell out supernatural messages
gameboard: a flat portable surface (usually rectangular) designed for board games

Other hypernyms of Ouija board include board.

Ouija board (noun)	gameboard (noun)
a board with the alphabet on it; used with a planchette to spell out supernatural messages	a flat portable surface (usually rectangular) designed for board games