vegetable soup vs minestrone

vegetable soup and minestrone both are nouns.

Word	Noun	Adjective	Verb	Adverb
vegetable soup	Yes	No	No	No
minestrone	Yes	No	No	No

As nouns, vegetable soup and minestrone are synonyms defined as:

Other synonyms of vegetable soup include petite marmite.

vegetable soup (noun)	minestrone (noun)
soup made with a variety of vegetables	soup made with a variety of vegetables