eczema marginatum vs tinea cruris

eczema marginatum and tinea cruris both are nouns.

Word	Noun	Adjective	Verb	Adverb
eczema marginatum	Yes	No	No	No
tinea cruris	Yes	No	No	No

As nouns, eczema marginatum and tinea cruris are synonyms defined as:

eczema marginatum and tinea cruris: fungal infection of the groin (most common in men)

Other synonyms of eczema marginatum include jock itch.

eczema marginatum (noun)	tinea cruris (noun)
fungal infection of the groin (most common in men)	fungal infection of the groin (most common in men)