swimmer's itch vs schistosome dermatitis

swimmer's itch and schistosome dermatitis both are nouns.

Word	Noun	Adjective	Verb	Adverb
swimmer's itch	Yes	No	No	No
schistosome dermatitis	Yes	No	No	No

As nouns, swimmer's itch and schistosome dermatitis are synonyms defined as:

swimmer's itch and schistosome dermatitis: a sensitization reaction to repeated invasion of the skin by cercariae of schistosomes

swimmer's itch (noun)	schistosome dermatitis (noun)
a sensitization reaction to repeated invasion of the skin by cercariae of schistosomes	a sensitization reaction to repeated invasion of the skin by cercariae of schistosomes