portion vs quota

portion

noun
  • An allocated amount. 

  • That which is divided off or separated, as a part from a whole; a separated part of anything. 

  • One's fate; lot. 

  • A wife's fortune; a dowry. 

  • The part of an estate given or falling to a child or heir; an inheritance. 

verb
  • To divide into amounts, as for allocation to specific purposes. 

  • To endow with a portion or inheritance. 

quota

noun
  • A prescribed number or percentage that may serve as, for example, a maximum, a minimum, or a goal. 

  • A restriction on the import of something to a specific quantity. 

  • A proportional part or share; the share or proportion assigned to each in a division. 

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