apple polisher vs crawler

apple polisher and crawler both are nouns.

Word	Noun	Adjective	Verb	Adverb
apple polisher	Yes	No	No	No
crawler	Yes	No	No	No

As nouns, crawler is a hypernym of apple polisher; that is, crawler is a word with a broader meaning than apple polisher:

apple polisher: someone who humbles himself as a sign of respect; who behaves as if he had no self-respect
crawler: a person who tries to please someone in order to gain a personal advantage

Other hypernyms of apple polisher include ass-kisser, lackey, sycophant, toady.

apple polisher (noun)	crawler (noun)
someone who humbles himself as a sign of respect; who behaves as if he had no self-respect	terrestrial worm that burrows into and helps aerate soil; often surfaces when the ground is cool or wet; used as bait by anglers
	a person who tries to please someone in order to gain a personal advantage
	a person who crawls or creeps along the ground