desert rheumatism vs valley fever

desert rheumatism and valley fever both are nouns.

Word	Noun	Adjective	Verb	Adverb
desert rheumatism	Yes	No	No	No
valley fever	Yes	No	No	No

As nouns, desert rheumatism and valley fever are synonyms defined as:

desert rheumatism and valley fever: an infection of the lungs and skin characterized by excessive sputum and nodules

Other synonyms of desert rheumatism include coccidioidomycosis, coccidiomycosis.

desert rheumatism (noun)	valley fever (noun)
an infection of the lungs and skin characterized by excessive sputum and nodules	an infection of the lungs and skin characterized by excessive sputum and nodules