asparagus vs veggie

asparagus and veggie both are nouns.

Word	Noun	Adjective	Verb	Adverb
asparagus	Yes	No	No	No
veggie	Yes	No	No	No

As nouns, veggie is a hypernym of asparagus; that is, veggie is a word with a broader meaning than asparagus:

asparagus: edible young shoots of the asparagus plant
veggie: edible seeds or roots or stems or leaves or bulbs or tubers or nonsweet fruits of any of numerous herbaceous plant

Other hypernyms of asparagus include veg, vegetable.

asparagus (noun)	veggie (noun)
edible young shoots of the asparagus plant	edible seeds or roots or stems or leaves or bulbs or tubers or nonsweet fruits of any of numerous herbaceous plant
plant whose succulent young shoots are cooked and eaten as a vegetable