boa constrictor vs winkle

boa constrictor

noun
  • A large tropical American snake, Boa constrictor, that kills its prey by squeezing them. 

  • Any large python. 

winkle

noun
  • Any one of various marine spiral gastropods, especially, in the United States, either of two species Busycotypus canaliculatus and Busycon carica. 

  • The penis, especially that of a boy rather than that of a man. 

  • A periwinkle or its shell, of family Littorinidae. 

verb
  • Synonym of winkle out (“to acquire or extract with difficulty”) 

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