unˈderbelly noun

1. The undersurface of a body or of something suggesting a body
2. (also soft underbelly) the vulnerable part or spot
3. The hidden or little-known side of something

• shield ferns
• shield-hand
• sawfish
• sawfishes
• sawflies
• sawfly
• saw frame
• saw frames
• saw gate
• saw gates
• sawgrass
• sawgrasses
• sawhorse
• sawhorses
• sawing
• sawings
• saw kerf
• sawlike
• sawmill
• sawmills
• sawn
• sawney
• Sawney
• sawneys
• sawn-off