mimeograph machine vs Roneograph

mimeograph machine and Roneograph both are nouns.

Word	Noun	Adjective	Verb	Adverb
mimeograph machine	Yes	No	No	No
Roneograph	Yes	No	No	No

As nouns, mimeograph machine and Roneograph are synonyms defined as:

mimeograph machine and Roneograph: a rotary duplicator that uses a stencil through which ink is pressed (trade mark Roneo)

Other synonyms of mimeograph machine include mimeo, mimeograph, Roneo.

mimeograph machine (noun)	Roneograph (noun)
a rotary duplicator that uses a stencil through which ink is pressed (trade mark Roneo)	a rotary duplicator that uses a stencil through which ink is pressed (trade mark Roneo)