bun rounder vs bun divider

bun rounder and bun divider both are nouns.

Word	Noun	Adjective	Verb	Adverb
bun rounder	Yes	No	No	No
bun divider	Yes	No	No	No

As nouns, bun rounder and bun divider are synonyms defined as:

bun rounder and bun divider: a machine that cuts raw dough into small portions and rolls each to obtain balls of the same weight and shape.

bun rounder (noun)	bun divider (noun)
a machine that cuts raw dough into small portions and rolls each to obtain balls of the same weight and shape.	a machine that cuts raw dough into small portions and rolls each to obtain balls of the same weight and shape.