rudiment vs theorisation

rudiment

noun
  • A form that lacks full or complex development. 

  • A fundamental principle or skill, especially in a field of learning. 

  • A body part that no longer has a function 

  • In percussion, one of a selection of basic drum patterns learned as an exercise. 

verb
  • To ground; to settle in first principles. 

theorisation

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

  • Something theorised; a theory. 

  • The act of constructing a theory. 

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