embarkment vs embark

embarkment is a noun but embark is not a noun.

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

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

embarkment (verb)	embark (verb)
	set out on (an enterprise or subject of study)
	go on board
	proceed somewhere despite the risk of possible dangers