grind organ vs barrel organ

grind organ and barrel organ both are nouns.

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

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

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

Other synonyms of grind organ include hand organ.

grind organ (noun)	barrel 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