dumpling vs gnocchi

dumpling and gnocchi both are nouns.

Word	Noun	Adjective	Verb	Adverb
dumpling	Yes	No	No	No
gnocchi	Yes	No	No	No

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

dumpling: small balls or strips of boiled or steamed dough
gnocchi: (Italian) a small dumpling made of potato or flour or semolina that is boiled or baked and is usually served with a sauce or with grated cheese

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

dumpling (noun)	gnocchi (noun)
small balls or strips of boiled or steamed dough	(Italian) a small dumpling made of potato or flour or semolina that is boiled or baked and is usually served with a sauce or with grated cheese
dessert made by baking fruit wrapped in pastry