vapour vs vaporization

vapour and vaporization both are nouns.

Word	Noun	Adjective	Verb	Adverb
vapour	Yes	No	No	No
vaporization	Yes	No	No	No

As nouns, vapour and vaporization are synonyms defined as:

Other synonyms of vapour include evaporation, vapor, vaporisation.

vapour (noun)	vaporization (noun)
the process of becoming a vapor	annihilation by vaporizing something
a visible suspension in the air of particles of some substance	the process of becoming a vapor