yanker vs puller

yanker and puller both are nouns.

Word	Noun	Adjective	Verb	Adverb
yanker	Yes	No	No	No
puller	Yes	No	No	No

As nouns, puller is a hypernym of yanker; that is, puller is a word with a broader meaning than yanker:

yanker: someone who gives a strong sudden pull
puller: someone who applies force so as to cause motion toward herself or himself

yanker (noun)	puller (noun)
someone who gives a strong sudden pull	someone who pulls or tugs or drags in an effort to move something
	someone who applies force so as to cause motion toward herself or himself