abridgment vs dilatation

abridgment

noun
  • An epitome or compend, as of a book; a shortened or abridged form; an abbreviation. 

  • The state of being abridged or lessened. 

  • The leaving out of certain portions of a plaintiff's demand, the writ still holding good for the remainder. 

  • The act of abridging; reduction or deprivation 

dilatation

noun
  • Prolixity; diffuse discourse. 

  • The act of dilating; expansion; an enlarging on all sides; the state of being dilated 

  • A dilation or enlargement of a canal or other organ. 

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