- 2Significato: naturecave cavern cove burrow denhole hovel shelter tunnel
- 3Significato: cavecavern cove hole dentunnel hovel shelter burrow
- 4Significato: dig outdig excavate burrow minetunnel bore undermine
- 5Significato: subterraneousburied covered tunnel mine underground
- 6Significato: drillpenetrate pierce perforate tunnel bore
- 7Significato: passageduct well pipetube tunnel shaft
- 8Significato: hole in the groundhole cavity pit minehollow quarry tunnel excavation
- 9Significato: placecave cavern cove burrow dentunnel hovel shelter hole