stuff vs stuffer

stuff and stuffer both are nouns.

Word	Noun	Adjective	Verb	Adverb
stuff	Yes	No	Yes	No
stuffer	Yes	No	No	No

stuff (noun)	stuffer (noun)
miscellaneous unspecified objects	an advertising circular that is enclosed with other material and (usually) sent by mail
unspecified qualities required to do or be something	a craftsman who stuffs and mounts the skins of animals for display
a critically important or characteristic component
senseless talk
information in some unspecified form
informal terms for personal possessions
the tangible substance that goes into the makeup of a physical object

stuff (verb)	stuffer (verb)
fill with a stuffing while cooking
fill tightly with a material
treat with grease, fill, and prepare for mounting
overeat or eat immodestly; make a pig of oneself
cram into a cavity
obstruct
press or force