strictly vs undeviatingly

strictly

adv
  • In a limited manner; only 

  • 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 strict manner. 

undeviatingly

adv
  • Without deviation; directly, unerringly. 

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