ringworm vs tinea

ringworm and tinea both are nouns.

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

As nouns, ringworm and tinea are synonyms defined as:

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

Other synonyms of ringworm include roundworm.

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