intensify vs screw up

intensify and screw up both are verbs.

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

As verbs, screw up is a hyponym of intensify; that is, screw up is a word with a more specific, narrower meaning than intensify:

Other hyponyms of intensify include heat up, hot up, fan, enhance, heighten, raise, amplify, sharpen, heighten, sharpen.

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