shirk vs tackle

shirk

noun
  • One who shirks, who avoids a duty or responsibility. 

  • The unforgivable sin of idolatry. 

verb
  • To avoid, especially a duty, responsibility, etc.; to stay away from. 

  • To evade an obligation; to avoid the performance of duty, as by running away. 

  • To procure by petty fraud and trickery; to obtain by mean solicitation. 

tackle

noun
  • Any instance in which one person intercepts another and forces them to the ground. 

  • A device for grasping an object and an attached means of moving it, as a rope and hook. 

  • A block and tackle. 

  • A man's genitalia. 

  • Equipment, gear, gadgetry. 

  • A play where a player attempts to take control over the ball from an opponent, as in rugby or football. 

  • Equipment (rod, reel, line, lure, etc.) used when angling. 

  • An offensive line position between a guard and an end: offensive tackle; a person playing that position. 

  • A play where a defender brings the ball carrier to the ground. 

  • Clothing. 

  • A defensive position between two defensive ends: defensive tackle; a person playing that position. 

verb
  • To "hit on" or pursue a person that one is interested in. 

  • To face or deal with, attempting to overcome or fight down. 

  • To bring a ball carrier to the ground. 

  • To attempt to take away a ball. 

  • To force a person to the ground with the weight of one's own body, usually by jumping on top or slamming one's weight into them. 

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