detente vs easing

detente and easing both are nouns.

Word	Noun	Adjective	Verb	Adverb
detente	Yes	No	No	No
easing	Yes	No	No	No

As nouns, easing is a hypernym of detente; that is, easing is a word with a broader meaning than detente:

detente: the easing of tensions or strained relations (especially between nations)
easing: the act of reducing something unpleasant (as pain or annoyance)

Other hypernyms of detente include alleviation, easement, relief.

detente (noun)	easing (noun)
the easing of tensions or strained relations (especially between nations)	the act of reducing something unpleasant (as pain or annoyance)
	a change for the better