presume vs presumption

presume is not a noun while presumption is a noun.

Word	Noun	Adjective	Verb	Adverb
presume	No	No	Yes	No
presumption	Yes	No	No	No

presume (noun)	presumption (noun)
	a kind of discourtesy in the form of an act of presuming
	audacious (even arrogant) behavior that you have no right to
	an assumption that is taken for granted
	(law) an inference of the truth of a fact from other facts proved or admitted or judicially noticed

presume (verb)	presumption (verb)
take liberties or act with too much confidence
take to be the case or to be true; accept without verification or proof
constitute reasonable evidence for
take upon oneself; act presumptuously, without permission