Yes, surface is a Scrabble word!

Verb

1. Come to the surface

2. Put a coat on; cover the surface of; furnish with a surface

3. Appear or become visible; make a showing

Adjective

1. On the surface

Noun

1. The outer boundary of an artifact or a material layer constituting or resembling such a boundary

2. The extended two-dimensional outer boundary of a three-dimensional object

3. The outermost level of the land or sea

4. A superficial aspect as opposed to the real nature of something

5. Information that has become public

6. A device that provides reactive force when in motion relative to the surrounding air; can lift or control a plane in flight