charge up vs embattle

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. 

embattle

verb
  • To prepare or arm for battle; to equip as for battle. 

  • To arrange in order of battle; to array for battle. 

  • To be arrayed for battle. 

  • To furnish with battlements; to give the form of battlements to. 

noun
  • A merlon, or a single one of the series of solid projections of a battlement. 

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