evaporation vs vapor

evaporation and vapor both are nouns.

Word	Noun	Adjective	Verb	Adverb
evaporation	Yes	No	No	No
vapor	Yes	No	No	No

As nouns, evaporation and vapor are synonyms defined as:

Other synonyms of evaporation include vaporisation, vaporization, vapour.

evaporation (noun)	vapor (noun)
the process of becoming a vapor	the process of becoming a vapor
the process of extracting moisture	a visible suspension in the air of particles of some substance