veggie vs green groceries

veggie and green groceries both are nouns.

Word	Noun	Adjective	Verb	Adverb
veggie	Yes	No	No	No
green groceries	Yes	No	No	No

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

veggie: edible seeds or roots or stems or leaves or bulbs or tubers or nonsweet fruits of any of numerous herbaceous plant
green groceries: fresh fruits and vegetable grown for the market

Other hypernyms of veggie include garden truck, green goods, produce.

veggie (noun)	green groceries (noun)
edible seeds or roots or stems or leaves or bulbs or tubers or nonsweet fruits of any of numerous herbaceous plant	fresh fruits and vegetable grown for the market