abuttal vs terrain

abuttal

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

  • An abutment. 

  • The act of abutting. 

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

terrain

noun
  • An area of land or the particular features of it. 

  • The surface of the earth; the ground. 

  • A single, distinctive rock formation; an area having a preponderance of a particular rock or group of rocks. 

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