IOTA vs allotment

IOTA

noun
  • A bank account that earns interest and pays it to a third party, generally a charity; the principal is typically being held in escrow by the accountholder. 

allotment

noun
  • The allowance of a specific amount of money or other credit of a particular thing to a particular person. 

  • A plot of land rented from the council for growing fruit and vegetables. 

  • The act of allotting. 

  • Something allotted; a share, part, or portion granted or distributed 

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