jungle fever vs malaria

jungle fever and malaria both are nouns.

Word	Noun	Adjective	Verb	Adverb
jungle fever	Yes	No	No	No
malaria	Yes	No	No	No

As nouns, malaria is a hypernym of jungle fever; that is, malaria is a word with a broader meaning than jungle fever:

jungle fever: severe form of malaria occurring in tropical regions
malaria: an infective disease caused by sporozoan parasites that are transmitted through the bite of an infected Anopheles mosquito; marked by paroxysms of chills and fever

jungle fever (noun)	malaria (noun)
severe form of malaria occurring in tropical regions	an infective disease caused by sporozoan parasites that are transmitted through the bite of an infected Anopheles mosquito; marked by paroxysms of chills and fever