cucumber vs cuke

cucumber and cuke both are nouns.

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

As nouns, cucumber and cuke are synonyms defined as:

cucumber and cuke: cylindrical green fruit with thin green rind and white flesh eaten as a vegetable; related to melons

cucumber (noun)	cuke (noun)
cylindrical green fruit with thin green rind and white flesh eaten as a vegetable; related to melons	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