medic vs trefoil

medic and trefoil both are nouns.

Word	Noun	Adjective	Verb	Adverb
medic	Yes	No	No	No
trefoil	Yes	No	No	No

As nouns, medic and trefoil are synonyms defined as:

medic and trefoil: any of several Old World herbs of the genus Medicago having small flowers and trifoliate compound leaves

Other synonyms of medic include medick.

medic (noun)	trefoil (noun)
a medical practitioner in the armed forces	an architectural ornament in the form of three arcs arranged in a circle
any of several Old World herbs of the genus Medicago having small flowers and trifoliate compound leaves	a plant of the genus Trifolium
	any of several Old World herbs of the genus Medicago having small flowers and trifoliate compound leaves