screw up vs intensify

screw up and intensify both are verbs.

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

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

Other hypernyms of screw up include compound, deepen, heighten.

screw up (verb)	intensify (verb)
twist into a strained configuration	become more intense
make more intense	make more intense, stronger, or more marked
screw or turn higher	increase in extent or intensity
make a mess of, destroy or ruin	make the chemically affected part of (a negative) denser or more opaque in order produce a stronger contrast between light and dark