Euclid's postulate vs Euclid's axiom

Euclid's postulate and Euclid's axiom both are nouns.

Word	Noun	Adjective	Verb	Adverb
Euclid's postulate	Yes	No	No	No
Euclid's axiom	Yes	No	No	No

As nouns, Euclid's postulate and Euclid's axiom are synonyms defined as:

Euclid's postulate and Euclid's axiom: (mathematics) any of five axioms that are generally recognized as the basis for Euclidean geometry

Other synonyms of Euclid's postulate include Euclidean axiom.

Euclid's postulate (noun)	Euclid's axiom (noun)
(mathematics) any of five axioms that are generally recognized as the basis for Euclidean geometry	(mathematics) any of five axioms that are generally recognized as the basis for Euclidean geometry