boiling vs vaporization

boiling and vaporization both are nouns.

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

As nouns, vaporization is a hypernym of boiling; that is, vaporization is a word with a broader meaning than boiling:

Other hypernyms of boiling include heating, warming, evaporation, vapor, vaporisation, vapour.

boiling (noun)	vaporization (noun)
cooking in a liquid that has been brought to a boil	annihilation by vaporizing something
the application of heat to change something from a liquid to a gas	the process of becoming a vapor

boiling (adverb)	vaporization (adverb)
passionately or agitatedly