quicken vs intensify

quicken and intensify both are verbs.

Word	Noun	Adjective	Verb	Adverb
quicken	No	No	Yes	No
intensify	No	No	Yes	No

As verbs, intensify is a hypernym of quicken; that is, intensify is a word with a broader meaning than quicken:

Other hypernyms of quicken include deepen.

quicken (verb)	intensify (verb)
give new life or energy to	become more intense
show signs of life	make more intense, stronger, or more marked
give life or energy to	increase in extent or intensity
move faster	make the chemically affected part of (a negative) denser or more opaque in order produce a stronger contrast between light and dark
make keen or more acute