riveting machine vs riveter

riveting machine and riveter both are nouns.

Word	Noun	Adjective	Verb	Adverb
riveting machine	Yes	No	No	No
riveter	Yes	No	No	No

As nouns, riveting machine and riveter are synonyms defined as:

Other synonyms of riveting machine include rivetter.

riveting machine (noun)	riveter (noun)
a machine for driving rivets	a machine for driving rivets
	a worker who inserts and hammers rivets