cantaloupe vine vs sweet melon

cantaloupe vine and sweet melon both are nouns.

Word	Noun	Adjective	Verb	Adverb
cantaloupe vine	Yes	No	No	No
sweet melon	Yes	No	No	No

As nouns, sweet melon is a hypernym of cantaloupe vine; that is, sweet melon is a word with a broader meaning than cantaloupe vine:

cantaloupe vine: a variety of muskmelon vine having fruit with a tan rind and orange flesh
sweet melon: any of several varieties of vine whose fruit has a netted rind and edible flesh and a musky smell

Other hypernyms of cantaloupe vine include Cucumis melo, muskmelon, sweet melon vine.

cantaloupe vine (noun)	sweet melon (noun)
a variety of muskmelon vine having fruit with a tan rind and orange flesh	the fruit of a muskmelon vine; any of several sweet melons related to cucumbers
	any of several varieties of vine whose fruit has a netted rind and edible flesh and a musky smell