preparative vs prepare

preparative is an adjective but prepare is not an adjective.

Word	Noun	Adjective	Verb	Adverb
preparative	No	Yes	No	No
prepare	No	No	Yes	No

preparative (adjective)	prepare (adjective)
preceding and preparing for something

preparative (verb)	prepare (verb)
	make ready or suitable or equip in advance for a particular purpose or for some use, event, etc
	undergo training or instruction in preparation for a particular role, function, or profession
	create by training and teaching
	arrange by systematic planning and united effort
	prepare for eating by applying heat
	to prepare verbally, either for written or spoken delivery
	lead up to and soften by sounding the dissonant note in it as a consonant note in the preceding chord
	educate for a future role or function