keep vs lose

keep

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

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

  • To refrain from freely disclosing (a secret). 

  • 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. 

  • To continue. 

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. 

lose

verb
  • To cease exhibiting; to overcome (a behavior or emotion). 

  • To cause (somebody) to be unable to follow or trace one any longer. 

  • To shed (weight). 

  • To fail to catch with the mind or senses; to miss. 

  • To cause (something) to cease to be in one's possession or capability due to unfortunate or unknown circumstances, events or reasons. 

  • To have (an organ) removed from one's body, especially by accident. 

  • To shed, remove, discard, or eliminate. 

  • To wander from; to miss, so as not to be able to find; to go astray from. 

  • To cause (someone) the loss of something; to deprive of. 

  • To fail to win (a game, competition, trial, etc). 

  • To be unable to follow or trace (somebody or something) any longer. 

  • To experience the death of (someone to whom one has an attachment, such as a relative or friend). 

  • To be deprived of access to something. 

  • To give or owe (money) after losing a bet. 

  • Of a clock, to run slower than expected. 

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