Roneo vs Roneograph

Roneo and Roneograph both are nouns.

Word	Noun	Adjective	Verb	Adverb
Roneo	Yes	No	No	No
Roneograph	Yes	No	No	No

As nouns, Roneo and Roneograph are synonyms defined as:

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

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

Roneo (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)