stapler vs stapling machine

stapler and stapling machine both are nouns.

Word	Noun	Adjective	Verb	Adverb
stapler	Yes	No	No	No
stapling machine	Yes	No	No	No

As nouns, stapler and stapling machine are synonyms defined as:

stapler and stapling machine: a machine that inserts staples into sheets of paper in order to fasten them together

stapler (noun)	stapling machine (noun)
a machine that inserts staples into sheets of paper in order to fasten them together	a machine that inserts staples into sheets of paper in order to fasten them together