Medicago lupulina vs hop clover

Medicago lupulina and hop clover both are nouns.

Word	Noun	Adjective	Verb	Adverb
Medicago lupulina	Yes	No	No	No
hop clover	Yes	No	No	No

As nouns, Medicago lupulina and hop clover are synonyms defined as:

Medicago lupulina and hop clover: prostrate European herb with small yellow flowers and curved black pods; naturalized in North America

Other synonyms of Medicago lupulina include black medick, nonesuch clover, yellow trefoil.

Medicago lupulina (noun)	hop clover (noun)
prostrate European herb with small yellow flowers and curved black pods; naturalized in North America	clover native to Ireland with yellowish flowers; often considered the true or original shamrock
	prostrate European herb with small yellow flowers and curved black pods; naturalized in North America