obstinacy vs resolve

obstinacy and resolve both are nouns.

Word	Noun	Adjective	Verb	Adverb
obstinacy	Yes	No	No	No
resolve	Yes	No	Yes	No

As nouns, resolve is a hypernym of obstinacy; that is, resolve is a word with a broader meaning than obstinacy:

Other hypernyms of obstinacy include firmness, firmness of purpose, resoluteness, resolution.

obstinacy (noun)	resolve (noun)
the trait of being difficult to handle or overcome	the trait of being resolute
resolute adherence to your own ideas or desires	a formal expression by a meeting; agreed to by a vote

obstinacy (verb)	resolve (verb)
	cause to go into a solution
	bring to an end; settle conclusively
	reach a decision
	find the solution
	understand the meaning of
	reach a conclusion after a discussion or deliberation
	make clearly visible