Related Clues:
- Air-filled skull cavity
- Hole in the head?
- Cold place?
- Congestion locale
- Kind of cavity
- Congestion location
- Part of the head that may be congested
- Nasal cavity
- Cranium feature
- Congestion site
- Nasal congestion locale
- Intestinal pouch
- It may be blocked when you have a cold
- Cranial cavity
- The appendix extends from it