despoilment vs despoilation

despoilment and despoilation both are nouns.

Word	Noun	Adjective	Verb	Adverb
despoilment	Yes	No	No	No
despoilation	Yes	No	No	No

As nouns, despoilment and despoilation are synonyms defined as:

Other synonyms of despoilment include despoliation, spoil, spoilation, spoliation.

despoilment (noun)	despoilation (noun)
the act of stripping and taking by force	the act of stripping and taking by force