#rent  a regular payment by a tenant to a landlord for use of some property
  supertype:  #annuity_in_advance  an annuity paid in a series of more or less equal payments at the beginning of equally spaced periods; "rent payable in advance constitutes an annuity in advance for the landlord"
  subtype:  #ground_rent__groundrent  payment for the right to occupy and improve a piece of land
  subtype:  #rack_rent  an extortionate rent

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