sluggard vs toadeater

sluggard

noun
  • A fearful or cowardly person, a poltroon. 

  • A person who is lazy, stupid, or idle by habit. 

  • A person slow to begin necessary work, a slothful person. 

toadeater

noun
  • A fawning, obsequious parasite; a mean sycophant or flatterer. 

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