abet vs screw up

abet

verb
  • To support, countenance, maintain, uphold, or aid (any good cause, opinion, or action); to maintain. 

  • To incite; to assist or encourage by aid or countenance in crime. 

screw up

verb
  • To raise or summon up. 

  • To twist into a contorted state. 

  • To blunder; to make a mistake. 

  • To tighten or secure with screws. 

  • To make a mess of; to ruin. 

  • To raise (rent, fees, etc.) to extortionate levels. 

How often have the words abet and screw up occurred in a corpus of books? (source: Google Ngram Viewer )