black cat vs fisherwoman

black cat

noun
  • A fisher, North American marten that has thick brown fur (Martes pennanti). 

  • Used other than figuratively or idiomatically: see black, cat. 

verb
  • To do better than another in some respect. To one up. 

fisherwoman

noun
  • A woman who fishes. 

  • A woman whose profession is catching fish. 

  • She is a fisherwoman, out on a trawler for days at a time. 

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