coccidioidomycosis vs mycosis

coccidioidomycosis and mycosis both are nouns.

Word	Noun	Adjective	Verb	Adverb
coccidioidomycosis	Yes	No	No	No
mycosis	Yes	No	No	No

As nouns, mycosis is a hypernym of coccidioidomycosis; that is, mycosis is a word with a broader meaning than coccidioidomycosis:

coccidioidomycosis: an infection of the lungs and skin characterized by excessive sputum and nodules
mycosis: an inflammatory condition caused by a fungus

Other hypernyms of coccidioidomycosis include fungal infection.

coccidioidomycosis (noun)	mycosis (noun)
an infection of the lungs and skin characterized by excessive sputum and nodules	an inflammatory condition caused by a fungus