rabbit food vs veggie

rabbit food and veggie both are nouns.

Word	Noun	Adjective	Verb	Adverb
rabbit food	Yes	No	No	No
veggie	Yes	No	No	No

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

rabbit food: an uncooked vegetable
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 rabbit food include veg, vegetable.

rabbit food (noun)	veggie (noun)
an uncooked vegetable	edible seeds or roots or stems or leaves or bulbs or tubers or nonsweet fruits of any of numerous herbaceous plant