gird vs separate off

gird

noun
  • A sarcastic remark. 

  • A stroke with a rod or switch. 

  • A severe spasm; a twinge; a pang. 

verb
  • To jeer at. 

  • To bind with a flexible rope or cord. 

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

  • To jeer. 

  • To prepare (oneself) for an action. 

separate off

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