presumption vs supposition

presumption and supposition both are nouns.

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

As nouns, supposition is a hypernym of presumption; that is, supposition is a word with a broader meaning than presumption:

Other hypernyms of presumption include assumption, supposal.

presumption (noun)	supposition (noun)
a kind of discourtesy in the form of an act of presuming	a hypothesis that is taken for granted
audacious (even arrogant) behavior that you have no right to	the cognitive process of supposing
an assumption that is taken for granted	a message expressing an opinion based on incomplete evidence
(law) an inference of the truth of a fact from other facts proved or admitted or judicially noticed