Solutions Having no backbone has 12 entries with similar clues

• 4-letter words
• slugAn animal without a backbone
• 5-letter words
• chineBackbone
• spinepoint of the backbone?
• 6-letter words
• spinalRelating to the backbone
• 7-letter words
• musselsAn animal without a backbone
• 8-letter words
• vertebraPart of backbone
• 9-letter words
• vertebraeBackbone
• 10-letter words
• vertebrateHaving a backbone
• 11-letter words
• pennine-wayFootpath along the backbone of England
• vertebratesAnimals with backbone
• 13-letter words
• invertebratesAnimals without backbone
• spinal-columnBackbone