data vs theorisation

data

noun
  • A representation of facts or ideas in a formalized manner capable of being communicated or manipulated by some process. 

  • Information, especially in a scientific or computational context, or with the implication that it is organized. 

  • Recorded observations that are usually presented in a structured format. 

theorisation

noun
  • The act of constructing a theory. 

  • The development of something beyond its obvious and practical scope. 

  • Something theorised; a theory. 

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