pensioner vs twirly

pensioner

noun
  • Someone who is at the age at which one typically receives a pension; an elderly person. 

  • Someone who lives on a pension, especially the retirement or old age pension. 

twirly

noun
  • an old age pensioner or other elderly person, especially one using public transport. 

adj
  • coiled or curly 

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