cajoler vs earthworm

cajoler

noun
  • A person who cajoles; a flatterer. 

  • A speech act intended to persuade or convince, such as the utterance "you know". 

earthworm

noun
  • A contemptible person; a groveller. 

  • A worm that lives in the ground. 

  • A worm of the family Lumbricidae, or, more generally, of the suborder Lumbricina. 

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