shipwreck vs ship

shipwreck and ship both are nouns.

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

As nouns, ship is a hypernym of shipwreck; that is, ship is a word with a broader meaning than shipwreck:

shipwreck (noun)	ship (noun)
a wrecked ship (or a part of one)	a vessel that carries passengers or freight
an accident that destroys a ship at sea
an irretrievable loss

shipwreck (verb)	ship (verb)
destroy a ship	place on board a ship
cause to experience shipwreck	transport commercially
ruin utterly	go on board
suffer failure, as in some enterprise	travel by ship
	hire for work on a ship