defervescence vs respite

defervescence and respite both are nouns.

Word	Noun	Adjective	Verb	Adverb
defervescence	Yes	No	No	No
respite	Yes	No	Yes	No

As nouns, respite is a hypernym of defervescence; that is, respite is a word with a broader meaning than defervescence:

defervescence: abatement of a fever as indicated by a reduction in body temperature
respite: an interruption in the intensity or amount of something

Other hypernyms of defervescence include abatement, hiatus, reprieve, suspension.

defervescence (noun)	respite (noun)
abatement of a fever as indicated by a reduction in body temperature	a pause from doing something (as work)
	the act of reprieving; postponing or remitting punishment
	an interruption in the intensity or amount of something
	a (temporary) relief from harm or discomfort
	a pause for relaxation

defervescence (verb)	respite (verb)
	postpone the punishment of a convicted criminal, such as an execution