screw up vs deepen

screw up and deepen both are verbs.

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

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

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

screw up (verb)	deepen (verb)
twist into a strained configuration	become more intense
make more intense	make more intense, stronger, or more marked
screw or turn higher	become deeper in tone
make a mess of, destroy or ruin	make deeper