kvetch vs whine

kvetch and whine both are nouns.

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

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

kvetch (noun)	whine (noun)
(Yiddish) a nagging complaint	a complaint uttered in a plaintive whining way
(Yiddish) a constant complainer

kvetch (verb)	whine (verb)
express complaints, discontent, displeasure, or unhappiness	complain whiningly
	talk in a tearful manner
	move with a whining sound
	make a high-pitched, screeching noise