de-escalate vs de-escalation

de-escalate is not a noun while de-escalation is a noun.

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

de-escalate (noun)	de-escalation (noun)
	(war) a reduction in intensity (of a crisis or a war)

de-escalate (verb)	de-escalation (verb)
reduce the level or intensity or size or scope of
diminish in size, scope, or intensity