pintail vs whiteface

pintail

noun
  • Any of various species of libellulid dragonfly of the genus Acisoma, endemic to Africa and Asia. 

  • A pintail duck, a type of dabbling duck with a characteristic pointed tail. 

  • A surfboard with a pointed back end. 

  • A pin-tailed snipe, Gallinago stenura. 

  • The end of a fastening pin or mandrel on a Huckbolt or pop rivet that is broken off when installation is complete. 

  • A northern pintail, Anas acuta, a dabbling duck of the northern hemisphere that has a long pointed tail. 

whiteface

noun
  • Any dragonfly of the genus Leucorrhinia. 

  • A person of European descent. (See usage notes.) 

  • A Hereford cow. 

  • Any bird of the genus Aphelocephala. 

  • Makeup that makes the face appear white. 

  • A traditional clown who ranks above the auguste. 

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