gumshoe vs shoemaker

gumshoe

noun

  • A sneaker or rubber overshoe. 

  • A detective. 

verb

  • To act as a detective. 

shoemaker

noun

  • A person who makes shoes 

  • The threadfish. 

  • A fish, Elagatis pinnulatis, the runner. 

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