Solutions Fortified shelter underground has 12 entries with similar clues
- portFortified wine
- siegeOffence in which fortified place is surrounded
- negusHot fortified drink
- castleFortified residence/mansion
- sherryFortified wine
- malmseyFortified wine
- bastionA fortified area
- madeiraFortified wine
- iwo-jimaLargest of the Japanese Volcano Islands, heavily fortified in World War II
- fastnessFortress or fortified place
- garrisonSoldiers guarding fortified place
- acropolisFortified upper part of Athens