get on vs ship

get on is not a noun while ship is a noun.

Word	Noun	Adjective	Verb	Adverb
get on	No	No	Yes	No
ship	Yes	No	Yes	No

As verbs, ship is a hyponym of get on; that is, ship is a word with a more specific, narrower meaning than get on:

Other hyponyms of get on include embark, entrain, catch.

get on (noun)	ship (noun)
	a vessel that carries passengers or freight

get on (verb)	ship (verb)
develop in a positive way	place on board a ship
appear in a show, on T.V. or radio	transport commercially
grow old or older	go on board
get up on the back of	travel by ship
grow late or (of time) elapse	hire for work on a ship
get on board of (trains, buses, ships, aircraft, etc.)
have smooth relations