rattletrap vs tin Lizzie

rattletrap

noun
  • A mechanical device, particularly an automobile, that is worn out, run down, or mechanically unreliable as indicated by noises it makes in operation. 

adj
  • Mechanically unreliable or in disrepair. 

tin Lizzie

noun
  • A small, unpretentious, vintage automobile, especially one that is in run-down condition. 

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