abut vs abuttal

abut

verb
  • To touch by means of a mutual border, edge or end; to border on; to lie adjacent (to); to be contiguous (said of an area of land) 

  • To border upon; be next to; abut on; be adjacent to. 

  • To lean against on one end; to end on, of a part of a building or wall. 

abuttal

verb
  • To describe a piece of land in terms of its abuttals. 

noun
  • The butting or boundary of land, particularly at the end; buttals. 

  • An abutment. 

  • The act of abutting. 

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