conjugation vs tie-in

conjugation

noun
  • The coming together of things; union. 

  • A system of delocalized orbitals consisting of alternating single bonds and double bonds 

  • The temporary fusion of organisms, especially as part of sexual reproduction 

  • The act or process of conjugating a verb. 

  • The product of that act: the conjugated forms of a verb, collected into a list or recitation. 

  • Sexual relations within marriage 

  • In some languages, one of several classifications of verbs according to what inflections they take. 

  • A mapping sending x to gxg⁻¹, where g and x are elements of a group; inner automorphism 

  • A function which negates the non-real part of a complex or hypercomplex number; complex conjugation 

tie-in

noun
  • An association or connection between things. 

  • Something that is related or connected to another thing. 

  • An authorized product based on a media property, such as a film or video game, by way of cross-promotion. 

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