poon vs shrew

poon

noun
  • A wimp; a pussy. 

  • Any of several East Indian trees of the genus Calophyllum, yielding a light, hard wood used for masts, spars, etc. 

  • Poontang, the vagina, or, intercourse with a woman. 

shrew

noun
  • An ill-tempered, nagging woman: a scold. 

  • Any of numerous small, mouselike, chiefly nocturnal, mammals of the family Soricidae (order Soricomorpha). 

  • Certain other small mammals that resemble true shrews (order Soricomorpha). 

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