dumpling vs matzoh ball

dumpling and matzoh ball both are nouns.

Word	Noun	Adjective	Verb	Adverb
dumpling	Yes	No	No	No
matzoh ball	Yes	No	No	No

As nouns, matzoh ball is a hyponym of dumpling; that is, matzoh ball is a word with a more specific, narrower meaning than dumpling:

Other hyponyms of dumpling include gnocchi, matzah ball, matzo ball, won ton, wonton.

dumpling (noun)	matzoh ball (noun)
small balls or strips of boiled or steamed dough	a Jewish dumpling made of matzo meal; usually served in soup
dessert made by baking fruit wrapped in pastry