grapnel /grapˈnəl/

1. A small anchor with several claws or arms
2. A grappling-iron
3. A hooking or grasping instrument

• butter-boats
• butter-box
• butter-boxes
• butter-bump
• butter-bumps
• butterbur
• butterburs
• butter cloth
• butter-cooler
• butter-coolers
• butter cream
• buttercup
• buttercups
• butter dish
• butter dishes
• butterdock
• buttered
• buttered eggs
• butterfat
• butterfats
• butterfingered
• butterfingers
• butterfish
• butterfishes
• butterflies