intransigency vs obstinance

intransigency and obstinance both are nouns.

Word	Noun	Adjective	Verb	Adverb
intransigency	Yes	No	No	No
obstinance	Yes	No	No	No

As nouns, obstinance is a hypernym of intransigency; that is, obstinance is a word with a broader meaning than intransigency:

intransigency: the trait of being intransigent; stubbornly refusing to compromise
obstinance: resolute adherence to your own ideas or desires

Other hypernyms of intransigency include bullheadedness, obstinacy, pigheadedness, self-will, stubbornness.

intransigency (noun)	obstinance (noun)
the trait of being intransigent; stubbornly refusing to compromise	the trait of being difficult to handle or overcome
	resolute adherence to your own ideas or desires