presumption vs presumptuous

presumption is a noun but presumptuous is not a noun.

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

presumption (noun)	presumptuous (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 (adjective)	presumptuous (adjective)
	excessively forward