Related Clues:

• Oak or apple
• Does a muffler's job
• Apple or pear, e.g.
• Elder, e.g.
• '30s-'40s country star Roy
• See 93-Across
• Word with Christmas or family
• Birch or beech
• Palm, for one
• Genealogy diagram
• It may be shady
• No faster
• It might need surgery
• Source of shade
• __ toad