dubbing vs labeling

dubbing

noun
  • The process in which additional or supplementary recordings are "mixed" with original production sound to create the finished soundtrack. 

  • The conferral of knighthood; investment with a title. 

  • The replacement of a voice part in a film or animation, particularly with a translation, revoicing. 

  • The transfer of recorded music from one medium to another. 

labeling

noun
  • The introduction of a traceable chemical group (e.g., containing an isotope or a fluorescent dye) into a protein or other biomolecule of interest so it can be tracked or quantified during experimental analysis. 

  • A set of labels applied to the various objects in a system. 

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