misfire vs breakdown

misfire and breakdown both are nouns.

Word	Noun	Adjective	Verb	Adverb
misfire	Yes	No	Yes	No
breakdown	Yes	No	No	No

As nouns, breakdown is a hypernym of misfire; that is, breakdown is a word with a broader meaning than misfire:

Other hypernyms of misfire include equipment failure.

misfire (noun)	breakdown (noun)
an explosion that fails to occur	the act of disrupting an established order so it fails to continue
a failure to hit (or meet or find etc)	an analysis into mutually exclusive categories
	a cessation of normal operation
	(biology) the process of decay caused by bacterial or fungal action
	(chemistry) separation of a substance into two or more substances that may differ from each other and from the original substance
	a mental or physical breakdown

misfire (verb)	breakdown (verb)
fail to fire or detonate