keep vs rattle

keep

verb
  • To restrain. 

  • 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 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. 

rattle

verb
  • To scare, startle, unsettle, or unnerve. 

  • To make a clatter with one's voice; to talk rapidly and idly; often with on or away. 

  • To create a rattling sound by shaking or striking. 

  • To drive or ride briskly, so as to make a clattering. 

  • To make a rattling noise; to make noise by or from shaking. 

noun
  • The set of rings at the end of a rattlesnake's tail which produce a rattling sound. 

  • A rough noise produced in the throat by air passing through obstructed airways; croup; a death rattle. 

  • A rapid succession of percussive sounds, as made by loose objects shaking or vibrating against one another. 

  • A musical instrument that makes a rattling sound. 

  • A noisy, senseless talker; a jabberer. 

  • A baby’s toy designed to make sound when shaken, usually containing loose grains or pellets in a hollow container. 

  • Any of various plants of the genera Rhinanthus and Pedicularis, whose seeds produce a rattling noise in the wind. 

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