protest vs subscribe

protest

verb
  • to make a solemn written declaration, in due form, on behalf of the holder, against all parties liable for any loss or damage to be sustained by non-acceptance or non-payment of (a bill or note). This should be made by a notary public, whose seal it is the usual practice to affix. 

  • To affirm (something). 

  • To object to. 

  • To make a strong objection. 

  • To call as a witness in affirming or denying, or to prove an affirmation; to appeal to. 

noun
  • The noting by a notary public of an unpaid or unaccepted bill. 

  • A written declaration, usually by the master of a ship, stating the circumstances attending loss or damage of ship or cargo, etc. 

  • A formal objection, especially one by a group. 

  • A collective gesture of disapproval; a demonstration. 

subscribe

verb
  • To sign; to mark with one's signature as a token of consent or attestation. 

  • To sign up to have copies of a publication, such as a newspaper or a magazine, delivered for a period of time. 

  • To agree to buy shares in a company. 

  • To pay money to be a member of an organization. 

  • To contribute or promise to contribute money to a common fund. 

  • To indicate interest in the communications made by a person or organization. 

  • To believe or agree with a theory or an idea (used with to). 

  • To pay for the provision of a service, such as Internet access or a cell phone plan. 

  • To register for notifications about an event or similar. 

  • To promise to give, by writing one's name with the amount. 

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