tinea pedis vs ringworm

tinea pedis and ringworm both are nouns.

Word	Noun	Adjective	Verb	Adverb
tinea pedis	Yes	No	No	No
ringworm	Yes	No	No	No

As nouns, ringworm is a hypernym of tinea pedis; that is, ringworm is a word with a broader meaning than tinea pedis:

tinea pedis: fungal infection of the feet
ringworm: infections of the skin or nails caused by fungi and appearing as itching circular patches

Other hypernyms of tinea pedis include roundworm, tinea.

tinea pedis (noun)	ringworm (noun)
fungal infection of the feet	infections of the skin or nails caused by fungi and appearing as itching circular patches