misdirection vs screwup

misdirection and screwup both are nouns.

Word	Noun	Adjective	Verb	Adverb
misdirection	Yes	No	No	No
screwup	Yes	No	No	No

As nouns, screwup is a hyponym of misdirection; that is, screwup is a word with a more specific, narrower meaning than misdirection:

misdirection (noun)	screwup (noun)
management that is careless or inefficient	the complete mismanagement or mishandling of a situation
the act of distracting; drawing someone's attention away from something
incorrect directions or instructions
an incorrect charge to a jury given by a judge