de-escalate vs weaken

de-escalate and weaken both are verbs.

Word	Noun	Adjective	Verb	Adverb
de-escalate	No	No	Yes	No
weaken	No	No	Yes	No

As verbs, de-escalate and weaken are synonyms defined as:

de-escalate and weaken: reduce the level or intensity or size or scope of

Other synonyms of de-escalate include step down.

de-escalate (verb)	weaken (verb)
reduce the level or intensity or size or scope of	become weaker
diminish in size, scope, or intensity	lessen the strength of
	reduce the level or intensity or size or scope of
	lessen in force or effect
	destroy property or hinder normal operations