"It was not what it appeared to be on the surface"Category: General
"All the reports were out in the open", "The facts had been brought to the surface"
Related Noun(s):openCategory: General
"They skimmed over the surface of the water", "A brush small enough to clean every dental surface", "The sun has no distinct surface"Category: Places
"There is a special cleaner for these surfaces", "The cloth had a pattern of red dots on a white surface"Category: Objects
"Earthquakes originate far below the surface", "Three quarters of the Earth's surface is covered by water"Category: Objects