common hop vs European hop

common hop and European hop both are nouns.

Word	Noun	Adjective	Verb	Adverb
common hop	Yes	No	No	No
European hop	Yes	No	No	No

As nouns, common hop and European hop are synonyms defined as:

common hop and European hop: European twining plant whose flowers are used chiefly to flavor malt liquors; cultivated in America

Other synonyms of common hop include bine, common hops, Humulus lupulus.

common hop (noun)	European hop (noun)
European twining plant whose flowers are used chiefly to flavor malt liquors; cultivated in America	European twining plant whose flowers are used chiefly to flavor malt liquors; cultivated in America