• space
  5.41%
  There was just an open space.
• field
  2.69%
  I saw a fox run across the open field.
• mind
  2.21%
  An open mind.
• window
  2.03%
  ...an open window.
• court
  1.94%
  He forced a held ball in open court.
• seat
  1.79%
  But several open seats fell to the Republicans.
• air
  1.65%
  Loewy dined in the open air.
• arm
  1.63%
  Only greetings with open arms.
• fire
  1.59%
  No open fire?
• sky
  1.51%
  The open sky.

• cloudy
  18.50%
  Cloudy skies were forecast.
• sunny
  14.01%
  A sunny sky.
• blue
  10.90%
  Blue skies.
• clear
  8.02%
  She looked up at the clear sky.
• open
  3.99%
  The open sky.
• overcast
  2.93%
  It was as dull as the overcast sky.
• gray
  2.16%
  Those gray skies promise rain.
• fair
  1.74%
  Fair skies west.
• cloudless
  1.64%
  Cloudless sky.
• dark
  1.44%
  Birds circled in the dark sky.