Related Clues:
- Adult subcategory
- One-on-one exam
- Administered by swallowing
- Postgraduate's hurdle
- Lacking a paper trail
- Dental (exam)
- Like some medication
- Aged and timeworn
- Of the voice
- Spoken, not written
- To do with mouth
- Very old, like the poetic mariner
- Related to the mouth
- Very old or belonging to times past
- Of times long past