vapour vs vaporisation

vapour and vaporisation both are nouns.

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

As nouns, vapour and vaporisation are synonyms defined as:

Other synonyms of vapour include evaporation, vapor, vaporization.

vapour (noun)	vaporisation (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