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

• microstructures
• microsurgeon
• microsurgeons
• microsurgeries
• microsurgery
• microsurgical
• microswitch
• microswitches
• microtechnology
• microtome
• microtomes
• microtomic
• microtomical
• microtomies
• extradited
• extradites
• extraditing
• extradition
• extraditions
• extrados
• extradoses
• extradotal
• extradural
• extrafloral
• extraforaneous