Yes, oral is a Scrabble word!

Adjective

1. Using speech rather than writing

2. Of or relating to or affecting or for use in the mouth

3. Of or involving the mouth or mouth region or the surface on which the mouth is located

4. A stage in psychosexual development when the child's interest is concentrated in the mouth; fixation at this stage is said to result in dependence, selfishness, and aggression

Noun

1. An examination conducted by spoken communication