clear up vs muddle

clear up

verb
  • To clean up. 

  • To depart or disappear. 

  • To clarify, to correct a misconception. 

  • To become free of certain blemishes. 

  • Of stormy weather, to dissipate, to become calm. 

  • To pot all of the remaining balls in a single turn. 

muddle

verb
  • To dabble in mud. 

  • To mash slightly for use in a cocktail. 

  • To think and act in a confused, aimless way. 

  • To cloud or stupefy; to render stupid with liquor; to intoxicate partially. 

  • To mix together, to mix up; to confuse. 

  • To make turbid or muddy. 

  • To waste or misuse, as one does who is stupid or intoxicated. 

noun
  • A mixture of crushed ingredients, as prepared with a muddler. 

  • A mixture; a confusion; a garble. 

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