chump vs twerp

chump

noun
  • A gullible person; a sucker; someone easily taken advantage of; someone lacking common sense. 

  • The thick end, especially of a piece of wood or of a joint of meat. 

  • An incompetent person, a blockhead; a loser. 

twerp

noun
  • A small or puny person; one regarded as insignificant, contemptible. 

  • A fool, a twit. 

  • A person who can be bullied playfully, or easily teased. Sometimes used as a pet-name (often for a younger sibling). 

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