gird vs lock in

gird

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

  • To jeer at. 

  • To bind with a flexible rope or cord. 

  • To jeer. 

  • To prepare (oneself) for an action. 

noun
  • A sarcastic remark. 

  • A stroke with a rod or switch. 

  • A severe spasm; a twinge; a pang. 

lock in

verb
  • To secure (someone or something) in a locked enclosure. 

  • To fix the value of (something potentially variable). 

  • To prevent from escaping or deteriorating. 

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