abuttal vs verge on

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. 

verge on

verb
  • To approach or come close to something; to border or be on the edge of something. 

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