wreck vs wrecker

wreck and wrecker both are nouns.

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

wreck (noun)	wrecker (noun)
a ship that has been destroyed at sea	a truck equipped to hoist and pull wrecked cars (or to remove cars from no-parking zones)
a serious accident (usually involving one or more vehicles)	someone who commits sabotage or deliberately causes wrecks
an accident that destroys a ship at sea	someone who demolishes or dismantles buildings as a job
something or someone that has suffered ruin or dilapidation

wreck (verb)	wrecker (verb)
smash or break forcefully