keep vs reserve

keep

verb
  • To continue. 

  • To supply with necessities and financially support (a person). 

  • To refrain from freely disclosing (a secret). 

  • To continue in (a course or mode of action); to not intermit or fall from; to uphold or maintain. 

  • To remain edible or otherwise usable. 

  • To remain in a state. 

  • To observe; to adhere to; to fulfill; to not swerve from or violate. 

  • To raise; to care for. 

  • To have habitually in stock for sale. 

  • To act as wicket-keeper. 

  • To enter (accounts, records, etc.) in a book. 

  • To maintain the condition of; to preserve in a certain state. 

  • To restrain. 

  • To maintain (an establishment or institution); to conduct; to manage. 

  • To watch over, look after, guard, protect. 

  • To maintain possession of. 

  • To record transactions, accounts, or events in. 

  • To remain faithful to a given promise or word. 

noun
  • The state of being kept; hence, the resulting condition; case. 

  • A cap for holding something, such as a journal box, in place. 

  • The food or money required to keep someone alive and healthy; one's support, maintenance. 

  • The main tower of a castle or fortress, located within the castle walls. 

reserve

verb
  • To keep back; to retain. 

  • To book in advance; to make a reservation. 

  • To keep in store for future or special use. 

noun
  • A reserve price in an auction. 

  • Wine held back and aged before being sold. 

  • A body of troops kept in the rear of an army drawn up for battle, reserved to support the other lines as occasion may require; a force or body of troops kept for an exigency. 

  • Absence of color or decoration; the state of being left plain. 

  • The act of reserving or keeping back; reservation; exception. 

  • A tract of land reserved, or set apart, for a particular purpose 

  • A resist. 

  • Restraint of freedom in words or actions; backwardness; caution in personal behavior. 

  • A preparation used on an object being electroplated to fix the limits of the deposit. 

  • In exhibitions, a distinction indicating that the recipient will get a prize in the event of another person being disqualified. 

  • A member of a team who does not participate from the start of the game, but can be used to replace tired or injured team-mates. 

  • A tract of land set apart for the use of an Aboriginal group; Indian reserve (compare US reservation.) 

  • Funds kept on hand to meet planned or unplanned financial requirements. 

  • A group or pile of cards dealt out at the beginning of a patience or solitaire game to be used during play. 

  • A natural resource known to exist but not currently exploited. 

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