clearness vs wisp

clearness

noun
  • The state of being free from obstruction or interference. 

  • The state of being free from obscurities or opacity; distinctness of light, colour etc. 

  • Mental or sensory distinctness; clarity of understanding, perception etc. 

wisp

verb
  • To produce a wisp, as of smoke. 

  • To brush or dress, as with a wisp. 

  • To emit in wisps. 

noun
  • A disease affecting the feet of cattle. 

  • An immeasurable, indefinable essence of life; soul. 

  • A flock of snipe. 

  • A whisk, or small broom. 

  • A small bundle, as of straw or other like substance; any slender, flexible structure or group. 

  • A will o' the wisp, or ignis fatuus. 

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