appointment vs guideword

appointment

noun
  • The assignment of a person by an official to perform a duty, such as a presidential appointment of a judge to a court. 

  • An honorary part or exercise, as an oration, etc., at a public exhibition of a college. 

  • An arrangement between people to meet; an engagement. 

  • Equipment, furniture. 

  • Stipulation; agreement; the act of fixing by mutual agreement. 

  • The state of being appointed to a service or office; an office to which one is appointed 

  • Decree; direction; established order or constitution. 

  • The act of appointing a person to hold an office or to have a position of trust 

  • The exercise of the power of designating (under a power of appointment) a person to enjoy an estate or other specific property; also, the instrument by which the designation is made. 

guideword

noun
  • A watchword; a word or phrase that serves as one's guide. 

  • A word that is printed at the top or bottom of the page in a reference work, in order to help readers find a specific entry. 

  • Any of the words in a memo or email that define metadata regarding the message, such as sender, recipient, and subject. 

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