hyperthermia vs hyperthermy

hyperthermia and hyperthermy both are nouns.

Word	Noun	Adjective	Verb	Adverb
hyperthermia	Yes	No	No	No
hyperthermy	Yes	No	No	No

As nouns, hyperthermia and hyperthermy are synonyms defined as:

hyperthermia and hyperthermy: abnormally high body temperature; sometimes induced (as in treating some forms of cancer)

hyperthermia (noun)	hyperthermy (noun)
abnormally high body temperature; sometimes induced (as in treating some forms of cancer)	abnormally high body temperature; sometimes induced (as in treating some forms of cancer)