superficies

If you really want to get crazy, you can use its root “superficies,” which was long, long ago accepted as standard English.

“You cannot stop the superficies of objects from evaporation,” he said.

He’s the king of superficies: you fall in love with his Puppy immediately, involuntarily, unironically.

In other insects the imaginal disks are less completely disconnected from the superficies of the larval hypodermis, and may indeed be merely patches thereof.

The migration of erysipelas from one part to another of the surface is sometimes so extensive as to invade from time to time the larger part of the superficies of the body.