whale vs whaler

whale and whaler both are nouns.

Word	Noun	Adjective	Verb	Adverb
whale	Yes	No	Yes	No
whaler	Yes	No	No	No

whale (noun)	whaler (noun)
any of the larger cetacean mammals having a streamlined body and breathing through a blowhole on the head	a ship engaged in whale fishing
a very large person; impressive in size or qualities	a seaman who works on a ship that hunts whales

whale (verb)	whaler (verb)
hunt for whales