lapwing vs pewit

lapwing

noun
  • The northern lapwing (Vanellus vanellus). 

  • Any of several medium-sized wading birds belonging to the subfamily Vanellinae, within family Charadriidae. 

  • A silly man. 

pewit

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