include vs obstruct

include

verb
  • To consider as part of something; to comprehend. 

  • To use a directive that allows the use of source code from another file. 

  • To bring into a group, class, set, or total as a (new) part or member. 

noun
  • A piece of source code or other content that is dynamically retrieved for inclusion in another item. 

obstruct

verb
  • To get in the way of so as to hide from sight. 

  • To impede, retard, or interfere with; hinder. 

  • To block or fill (a passage) with obstacles or an obstacle. See synonyms at block. 

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