Related Clues:
- End for depend
- Delivery doc
- Prefix with physiology
- Medical specialty
- "The Lord of the Rings" tree being
- Suffix with "respond"
- Tolkien tree person
- Otolaryngology: Abbr.
- Tolkien's Treebeard is one
- Fictional tree shepherd
- Apnea diagnoser, briefly
- Specialist who might treat otitis interna
- Three-in-one M.D.
- Stud attachment?
- Ending for exist