wreck vs ship

wreck and ship both are nouns.

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

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

wreck (noun)	ship (noun)
a ship that has been destroyed at sea	a vessel that carries passengers or freight
a serious accident (usually involving one or more vehicles)
an accident that destroys a ship at sea
something or someone that has suffered ruin or dilapidation