bleat vs kvetch

bleat and kvetch both are nouns.

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

As verbs, kvetch is a hypernym of bleat; that is, kvetch is a word with a broader meaning than bleat:

Other hypernyms of bleat include complain, kick, plain, quetch, sound off.

bleat (noun)	kvetch (noun)
the sound of sheep or goats (or any sound resembling this)	(Yiddish) a nagging complaint
	(Yiddish) a constant complainer

bleat (verb)	kvetch (verb)
cry plaintively	express complaints, discontent, displeasure, or unhappiness
talk whiningly