strictly vs stringently

strictly

adv
  • In a strict manner. 

  • In a manner that applies to every member of a set or every interval of a function 

  • In a narrow or limited sense. 

  • In a limited manner; only 

stringently

adv
  • in a stringent manner 

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