pity vs misfortune

pity and misfortune both are nouns.

Word	Noun	Adjective	Verb	Adverb
pity	Yes	No	Yes	No
misfortune	Yes	No	No	No

As nouns, misfortune is a hypernym of pity; that is, misfortune is a word with a broader meaning than pity:

pity: an unfortunate development
misfortune: unnecessary and unforeseen trouble resulting from an unfortunate event

Other hypernyms of pity include bad luck.

pity (noun)	misfortune (noun)
the humane quality of understanding the suffering of others and wanting to do something about it	unnecessary and unforeseen trouble resulting from an unfortunate event
an unfortunate development	an unfortunate state resulting from unfavorable outcomes
a feeling of sympathy and sorrow for the misfortunes of others

pity (verb)	misfortune (verb)
share the suffering of