demarcation vs lineation

demarcation

noun
  • A limit thus fixed, in full demarcation line. 

  • Any strictly defined separation. 

  • The act of marking off a boundary or setting a limit, notably by belligerents signing a treaty or ceasefire. 

lineation

noun
  • The way in which line breaks are inserted in a poem 

  • A linear feature in rock, often structural 

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