screw up vs fail

screw up and fail both are verbs.

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

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

Other hypernyms of screw up include go wrong, miscarry.

screw up (verb)	fail (verb)
twist into a strained configuration	stop operating or functioning
make more intense	deteriorate
screw or turn higher	prove insufficient
make a mess of, destroy or ruin	disappoint, prove undependable to; abandon, forsake
	become bankrupt or insolvent; fail financially and close
	be unsuccessful
	fail to get a passing grade
	fail to do something; leave something undone
	judge unacceptable
	be unable
	fall short in what is expected