charge up vs decrease

charge up

verb
  • To recharge, to give electrical power to something. 

  • To deliberately infect an individual with HIV as part of bug-chasing. 

  • To motivate, to instill someone with determination. 

decrease

noun
  • A reduction in the number of stitches, usually accomplished by suspending the stitch to be decreased from another existing stitch or by knitting it together with another stitch. See Decrease (knitting). 

  • An amount by which a quantity is decreased. 

verb
  • Of a quantity, to become smaller. 

  • To make (a quantity) smaller. 

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