breakdown vs resolving

breakdown and resolving both are nouns.

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

As nouns, resolving is a hyponym of breakdown; that is, resolving is a word with a more specific, narrower meaning than breakdown:

Other hyponyms of breakdown include resolution.

breakdown (noun)	resolving (noun)
the act of disrupting an established order so it fails to continue	analysis into clear-cut components
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