obfuscate vs unfog

obfuscate

verb
  • To deliberately make more confusing in order to conceal the truth. 

  • To alter code while preserving its behavior but concealing its structure and intent. 

  • Before leaving the scene, the murderer set a fire in order to obfuscate any evidence of their identity. 

  • To make dark; to overshadow. 

unfog

verb
  • To become less covered in fog or mist. 

  • To become clearer or less confused. 

  • To free from confusion 

  • To remove the moisture or fog from. 

  • To adjust the lenses a patient looks through in order to clarify their vision. 

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