distrainment vs impoundment

distrainment

noun
  • The act of distraining; distraint. 

impoundment

noun
  • The act of impounding 

  • A body of water impounded within an enclosure, such as a reservoir 

  • The state of being impounded 

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