Related Clues:

• Med. specialty
• 'The Lord of the Rings' creature
• Tolkien forest giant
• See 20-Across
• Hit the road
• Tolkien creature
• Suffix with differ
• Tolkien tree-man
• Suffix with consist
• Suffix with exist
• Suffix with respond
• Suffix with persist
• Suffix with absorb
• Insect study: Abbr.
• M.D.'s specialty