disembarkment vs debarkation

disembarkment and debarkation both are nouns.

Word	Noun	Adjective	Verb	Adverb
disembarkment	Yes	No	No	No
debarkation	Yes	No	No	No

As nouns, disembarkment and debarkation are synonyms defined as:

disembarkment and debarkation: the act of passengers and crew getting off of a ship or aircraft

Other synonyms of disembarkment include disembarkation.

disembarkment (noun)	debarkation (noun)
the act of passengers and crew getting off of a ship or aircraft	the act of passengers and crew getting off of a ship or aircraft