tribade vs dyke

tribade and dyke both are nouns.

Word	Noun	Adjective	Verb	Adverb
tribade	Yes	No	No	No
dyke	Yes	No	Yes	No

As nouns, dyke is a hyponym of tribade; that is, dyke is a word with a more specific, narrower meaning than tribade:

Other hyponyms of tribade include butch, dike.

tribade (noun)	dyke (noun)
a female homosexual	a barrier constructed to contain the flow of water or to keep out the sea
	(slang) offensive term for a lesbian who is noticeably masculine

tribade (verb)	dyke (verb)
	enclose with a dike