beef vs kvetch

beef and kvetch both are nouns.

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

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

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

beef (noun)	kvetch (noun)
cattle that are reared for their meat	(Yiddish) a nagging complaint
informal terms for objecting	(Yiddish) a constant complainer
meat from an adult domestic bovine

beef (verb)	kvetch (verb)
complain	express complaints, discontent, displeasure, or unhappiness