tom vs tortoiseshell

tom

noun
  • The intact male of the domesticated cat. 

  • A tomato (the fruit). 

  • The male of certain other animals. 

  • The male of the orangutan. 

  • A lesbian. 

  • A female prostitute. 

  • jewellery 

  • The male of the turkey. 

verb
  • To act in an obsequiously servile manner toward white authority. 

  • To dig out a hole below the hatch cover of a bulker and fill it with cargo or weights to aid stability. 

tortoiseshell

noun
  • A domestic cat (or a rabbit, guinea-pig, etc.) whose fur has black, brown and yellow markings. 

  • The hawksbill turtle. 

  • The horny, translucent, mottled covering of the carapace of the hawksbill turtle, used as a veneer etc. 

  • Any of several butterflies, mostly of the genera Nymphalis and Aglais that have similar markings. 

adj
  • Having markings resembling covering of carapace of hawksbill turtle. 

  • Made of the covering of carapace of hawksbill turtle. 

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