presumption vs presume

presumption is a noun but presume is not a noun.

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

presumption (noun)	presume (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

presumption (verb)	presume (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