lease vs pledge

lease

noun
  • The contract or deed under which such an interest is granted. 

  • An interest in land granting exclusive use or occupation of real estate for a limited period; a leasehold. 

  • An interest granting exclusive use of any thing, such as a car or boat. 

  • The period of such an interest. 

  • The document containing such a contract or deed. 

  • An open pasture or common. 

  • The place at which the warp-threads cross on a loom. 

verb
  • To tell lies; tell lies about; slander; calumniate. 

  • To glean. 

  • To glean, gather up leavings. 

  • To release; let go; unloose. 

  • To grant a lease as a landlord; to let. 

  • To gather. 

  • To pick, select, pick out; to pick up. 

  • To hold a lease as a tenant. 

pledge

noun
  • An asset or person temporarily handed over to guarantee the fulfilment of something promised, under threat of permanent loss of the thing handed over; surety, security, hostage. 

  • A solemn promise to do something. 

  • The personal property so pledged, to be kept until the debt is paid. 

  • A bailment of personal property to secure payment of a debt without transfer of title. 

  • A person who has taken a pledge of allegiance to a college fraternity, but is not yet formally approved. 

  • A drinking toast. 

  • A promise to abstain from drinking alcohol. 

verb
  • To deposit something as a security; to pawn. 

  • To make a solemn promise (to do something). 

  • To give assurance of friendship by the act of drinking; to drink to one's health. 

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