barrel organ vs grind organ

barrel organ and grind organ both are nouns.

Word	Noun	Adjective	Verb	Adverb
barrel organ	Yes	No	No	No
grind organ	Yes	No	No	No

As nouns, barrel organ and grind organ are synonyms defined as:

barrel organ and grind organ: a musical instrument that makes music by rotation of a cylinder studded with pegs

Other synonyms of barrel organ include hand organ.

barrel organ (noun)	grind organ (noun)
a musical instrument that makes music by rotation of a cylinder studded with pegs	a musical instrument that makes music by rotation of a cylinder studded with pegs