fishy vs unnatural

fishy

adj
  • Suspicious; inspiring doubt. 

  • Of, from, or similar to fish. 

  • Of drag queens: appearing feminine. 

unnatural

adj
  • Going against nature; perverse. 

  • Not occurring in nature, the environment or atmosphere 

  • Not natural. 

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