ship vs embark

ship is a noun but embark is not a noun.

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

As verbs, ship and embark are synonyms defined as:

ship (noun)	embark (noun)
a vessel that carries passengers or freight

ship (verb)	embark (verb)
place on board a ship	set out on (an enterprise or subject of study)
transport commercially	go on board
go on board	proceed somewhere despite the risk of possible dangers
travel by ship
hire for work on a ship