straighten vs zigzag

straighten

verb
  • To become straight. 

  • To clarify a situation or concept to (an audience). 

  • To bribe or corrupt. 

  • To stand up, especially from a sitting position. 

  • To cause to become straight. 

  • To put in order; to sort; to tidy up. 

zigzag

verb
  • To move or to twist in a zigzag manner. 

adj
  • Moving in, or having a zigzag. 

noun
  • A line or path that proceeds by sharp turns in alternating directions. 

  • One of these sharp turns. 

adv
  • in a zigzag manner or pattern 

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