preparation vs crumb

preparation and crumb both are nouns.

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

preparation (noun)	crumb (noun)
activity leading to skilled behavior	small piece of e.g. bread or cake
preparatory school work done outside school (especially at home)	a person who is deemed to be despicable or contemptible
the activity of putting or setting in order in advance of some act or purpose	a very small quantity of something
the act of preparing something (as food) by the application of heat
the cognitive process of thinking about what you will do in the event of something happening
(music) a note that produces a dissonant chord is first heard in a consonant chord
the state of having been made ready or prepared for use or action (especially military action)
a substance prepared according to a formula