armchair vs chairman

armchair

noun
  • A chair with supports for the arms or elbows. 

  • Hypernyms: chair, furniture 

verb
  • To create based on theory or general knowledge rather than data. 

  • To theorize based on analysis of data that was gathered previously; to reflect. 

adj
  • Remote from actual involvement, including a person retired from previously active involvement. 

  • Unqualified or uninformed but yet giving advice, especially on technical issues, such as law, architecture, medicine, military theory, or sports; relating to such advice. 

chairman

noun
  • Someone whose job is to carry people in a portable chair, sedan chair, or similar conveyance. 

  • The head of a corporate or governmental board of directors, a committee, or other formal entity. 

  • A person presiding over a meeting. 

verb
  • To serve as chairman. 

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