impotent vs macho

impotent

noun
  • a man who has erectile dysfunction 

  • an impotent or powerless person 

adj
  • lacking physical strength or vigor; weak 

  • incapable of sexual intercourse, often because of an inability to achieve or sustain an erection, having impotentia coeundi 

  • lacking in power, as to act effectively; helpless 

  • sterile 

macho

noun
  • A male llama. 

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

  • 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. 

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