cucumber vs cucumber vine

cucumber and cucumber vine both are nouns.

Word	Noun	Adjective	Verb	Adverb
cucumber	Yes	No	No	No
cucumber vine	Yes	No	No	No

As nouns, cucumber and cucumber vine are synonyms defined as:

cucumber and cucumber vine: a melon vine of the genus Cucumis; cultivated from earliest times for its cylindrical green fruit

Other synonyms of cucumber include Cucumis sativus.

cucumber (noun)	cucumber vine (noun)
cylindrical green fruit with thin green rind and white flesh eaten as a vegetable; related to melons	a melon vine of the genus Cucumis; cultivated from earliest times for its cylindrical green fruit
a melon vine of the genus Cucumis; cultivated from earliest times for its cylindrical green fruit