obstruct vs unplug

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. 

unplug

verb
  • To temporarily disconnect from worldly experiences. 

  • To disconnect from a supply, especially an electrical socket. 

  • To remove a blockage from (especially a water pipe or drain). 

  • To stop using electronic devices, especially for relaxation or to reduce stress. 

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