presumption vs precondition

presumption and precondition both are nouns.

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

As nouns, presumption and precondition are synonyms defined as:

Other synonyms of presumption include given.

presumption (noun)	precondition (noun)
a kind of discourtesy in the form of an act of presuming	a condition that is a prerequisite
audacious (even arrogant) behavior that you have no right to	an assumption that is taken for granted
an assumption that is taken for granted	an assumption on which rests the validity or effect of something else
(law) an inference of the truth of a fact from other facts proved or admitted or judicially noticed

presumption (verb)	precondition (verb)
	put into the required condition beforehand