intensify vs intensify

intensify and intensify both are verbs.

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

intensify (verb)	intensify (verb)
become more intense	become more intense
make more intense, stronger, or more marked	make more intense, stronger, or more marked
increase in extent or intensity	increase in extent or intensity
make the chemically affected part of (a negative) denser or more opaque in order produce a stronger contrast between light and dark	make the chemically affected part of (a negative) denser or more opaque in order produce a stronger contrast between light and dark