veg vs cuke

veg and cuke both are nouns.

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

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

veg: edible seeds or roots or stems or leaves or bulbs or tubers or nonsweet fruits of any of numerous herbaceous plant
cuke: cylindrical green fruit with thin green rind and white flesh eaten as a vegetable; related to melons

veg (noun)	cuke (noun)
edible seeds or roots or stems or leaves or bulbs or tubers or nonsweet fruits of any of numerous herbaceous plant	cylindrical green fruit with thin green rind and white flesh eaten as a vegetable; related to melons