adjective / noun
oral
OR-uhl/ˈɔːrəl/
Relating to or done through the mouth.
The dentist uses a small mirror during the patient's oral examination.

Etymology
The pieces mean 'relating to the mouth.' Speech is produced through the mouth, so the same adjective describes words delivered by speaking rather than writing.
In context
whether they're written, whether they're oral, whether it's archaeological
More examples
- This medication comes in an oral form.
- Daily brushing and flossing support good oral health.
- She gives oral instructions instead of writing them down.
- Graduate students answer questions from a faculty panel during their orals.
Forms
oral · orals
orally adverb — Through the mouth or by spoken words.