kvetch vs holler

kvetch and holler both are nouns.

Word	Noun	Adjective	Verb	Adverb
kvetch	Yes	No	Yes	No
holler	Yes	No	Yes	No

As verbs, holler is a hyponym of kvetch; that is, holler is a word with a more specific, narrower meaning than kvetch:

kvetch (noun)	holler (noun)
(Yiddish) a nagging complaint	a very loud utterance (like the sound of an animal)
(Yiddish) a constant complainer	a small valley between mountains

kvetch (verb)	holler (verb)
express complaints, discontent, displeasure, or unhappiness	complain
	utter a sudden loud cry
	shout out