Zip vs snook

Zip

noun
  • A Sicilian or Italian Mafioso who is relatively new to the United States. 

snook

noun
  • A freshwater and marine fish of the family Centropomidae in the order Perciformes. 

  • Centropomus undecimalis (common snook). 

  • A disrespectful gesture, performed by placing the tip of a thumb on one's nose with the fingers spread, and typically while wiggling the fingers back and forth. 

  • Any of various other ray-finned fishes in several families. 

verb
  • To fish for snook. 

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