intensification vs increase

intensification and increase both are nouns.

Word	Noun	Adjective	Verb	Adverb
intensification	Yes	No	No	No
increase	Yes	No	Yes	No

As nouns, increase is a hypernym of intensification; that is, increase is a word with a broader meaning than intensification:

Other hypernyms of intensification include step-up.

As nouns, increase is a hypernym of intensification; that is, increase is a word with a broader meaning than intensification:

intensification: the act of increasing the contrast of (a photographic film)
increase: the act of increasing something

Other hypernyms of intensification include step-up.

intensification (noun)	increase (noun)
action that makes something stronger or more extreme	the act of increasing something
the act of increasing the contrast of (a photographic film)	the amount by which something increases
	a change resulting in an increase
	a process of becoming larger or longer or more numerous or more important
	a quantity that is added

intensification (verb)	increase (verb)
	become bigger or greater in amount
	make bigger or more