preparation vs concentrate

preparation and concentrate both are nouns.

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

preparation (noun)	concentrate (noun)
activity leading to skilled behavior	a concentrated example of something
preparatory school work done outside school (especially at home)	a concentrated form of a foodstuff; the bulk is reduced by removing water
the activity of putting or setting in order in advance of some act or purpose	the desired mineral that is left after impurities have been removed from mined ore
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

preparation (verb)	concentrate (verb)
	cook until very little liquid is left
	make denser, stronger, or purer
	make central
	be cooked until very little liquid is left
	make more concise
	compress or concentrate
	direct one's attention on something
	draw together or meet in one common center