embarkment vs embarkation

embarkment and embarkation both are nouns.

Word	Noun	Adjective	Verb	Adverb
embarkment	Yes	No	No	No
embarkation	Yes	No	No	No

As nouns, embarkment and embarkation are synonyms defined as:

embarkment and embarkation: the act of passengers and crew getting aboard a ship or aircraft

Other synonyms of embarkment include boarding.

embarkment (noun)	embarkation (noun)
the act of passengers and crew getting aboard a ship or aircraft	the act of passengers and crew getting aboard a ship or aircraft