macho vs tough guy

macho

noun
  • A macho person; a person who tends to display masculine characteristics, such as domineering, fierceness, and bravado. 

  • A male llama. 

  • The striped mullet of California (Mugil cephalus, syn. Mugil mexicanus). 

adj
  • Tending to display masculine characteristics, such as domineering, fierceness, bravado, etc., in ways that are showily and histrionically tough. 

tough guy

noun
  • A man known for his physical and/or emotional resilience. 

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