effigy vs tracing

effigy

noun
  • A likeness of a person. 

  • A dummy or other crude representation of a person, group or object that is hated. 

tracing

noun
  • The reproduction of an image made by copying it through translucent paper. 

  • A record in the form of a graph made by a device such as a seismograph. 

  • The process of finding something that is lost by studying evidence. 

  • A regular path or track; a course. 

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