wake board vs wakeboard

wake board and wakeboard both are nouns.

Word	Noun	Adjective	Verb	Adverb
wake board	Yes	No	No	No
wakeboard	Yes	No	No	No

As nouns, wake board and wakeboard are synonyms defined as:

wake board and wakeboard: a buoyant board (resembling a surfboard) that is used to ride over water while being pulled behind a motorboat

wake board (noun)	wakeboard (noun)
a buoyant board (resembling a surfboard) that is used to ride over water while being pulled behind a motorboat	a buoyant board (resembling a surfboard) that is used to ride over water while being pulled behind a motorboat