ship vs send off

ship is a noun but send off is not a noun.

Word	Noun	Adjective	Verb	Adverb
ship	Yes	No	Yes	No
send off	No	No	Yes	No

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

Other hyponyms of ship include barge, railroad, despatch, dispatch, forward, send on.

ship (noun)	send off (noun)
a vessel that carries passengers or freight

ship (verb)	send off (verb)
place on board a ship	transfer
transport commercially	throw, send, or cast forward
go on board	send away towards a designated goal
travel by ship
hire for work on a ship