matzo ball vs matzoh ball

matzo ball and matzoh ball both are nouns.

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

As nouns, matzo ball and matzoh ball are synonyms defined as:

matzo ball and matzoh ball: a Jewish dumpling made of matzo meal; usually served in soup

Other synonyms of matzo ball include matzah ball.

matzo ball (noun)	matzoh ball (noun)
a Jewish dumpling made of matzo meal; usually served in soup	a Jewish dumpling made of matzo meal; usually served in soup