charge up vs gird

charge up

verb
  • To motivate, to instill someone with determination. 

  • To recharge, to give electrical power to something. 

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

gird

verb
  • To prepare (oneself) for an action. 

  • To jeer at. 

  • To bind with a flexible rope or cord. 

  • To encircle with, or as if with a belt. 

  • To jeer. 

noun
  • A sarcastic remark. 

  • A stroke with a rod or switch. 

  • A severe spasm; a twinge; a pang. 

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