kvetch vs grouse

kvetch and grouse both are nouns.

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

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

kvetch (noun)	grouse (noun)
(Yiddish) a nagging complaint	popular game bird having a plump body and feathered legs and feet
(Yiddish) a constant complainer	flesh of any of various grouse of the family Tetraonidae; usually roasted; flesh too dry to broil

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