common hops vs European hop

common hops and European hop both are nouns.

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

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

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

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

common hops (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