self-evident truth vs constatation

self-evident truth and constatation both are nouns.

Word	Noun	Adjective	Verb	Adverb
self-evident truth	Yes	No	No	No
constatation	Yes	No	No	No

As nouns, self-evident truth and constatation are synonyms defined as:

self-evident truth and constatation: an assumption that is basic to an argument

Other synonyms of self-evident truth include basic assumption.

self-evident truth (noun)	constatation (noun)
an assumption that is basic to an argument	an assumption that is basic to an argument