preparation vs stuff

preparation and stuff both are nouns.

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

preparation (noun)	stuff (noun)
activity leading to skilled behavior	miscellaneous unspecified objects
preparatory school work done outside school (especially at home)	unspecified qualities required to do or be something
the activity of putting or setting in order in advance of some act or purpose	a critically important or characteristic component
the act of preparing something (as food) by the application of heat	senseless talk
the cognitive process of thinking about what you will do in the event of something happening	information in some unspecified form
(music) a note that produces a dissonant chord is first heard in a consonant chord	informal terms for personal possessions
the state of having been made ready or prepared for use or action (especially military action)	the tangible substance that goes into the makeup of a physical object
a substance prepared according to a formula

preparation (verb)	stuff (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