involve vs postulate

involve is not a noun while postulate is a noun.

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

As verbs, involve and postulate are synonyms defined as:

Other synonyms of involve include ask, call for, demand, necessitate, need, require, take.

involve (noun)	postulate (noun)
	(logic) a proposition that is accepted as true in order to provide a basis for logical reasoning

involve (verb)	postulate (verb)
make complex or intricate or complicated	take as a given; assume as a postulate or axiom
occupy or engage the interest of	maintain or assert
have as a necessary feature	require as useful, just, or proper
connect closely and often incriminatingly
contain as a part
engage as a participant
require as useful, just, or proper