postulation vs postulate

postulation and postulate both are nouns.

Word	Noun	Adjective	Verb	Adverb
postulation	Yes	No	No	No
postulate	Yes	No	Yes	No

postulation (noun)	postulate (noun)
(logic) a declaration of something self-evident; something that can be assumed as the basis for argument	(logic) a proposition that is accepted as true in order to provide a basis for logical reasoning
a formal message requesting something that is submitted to an authority

postulation (verb)	postulate (verb)
	take as a given; assume as a postulate or axiom
	maintain or assert
	require as useful, just, or proper