preg vs wicked

preg

adj
  • Pregnant. 

noun
  • Pregnancy. 

wicked

adj
  • Having a wick. 

  • Excellent; awesome; masterful. 

  • Infested with maggots. 

  • Evil or mischievous by nature. 

adv
  • Very, extremely. 

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