| custody |
| daily bread(noun, expression, fortification, cell, stronghold) |
| defense |
| detention |
| donjon(noun, fortification, cell, stronghold, presidio) |
| earthwork(noun, fortification, cell, stronghold, presidio) |
| earthworks(noun, fortification, cell, stronghold, presidio) |
| eatables(noun, fortification, cell, stronghold, presidio) |
| edibles(noun, fortification, cell, stronghold, presidio) |
| embattlement(noun, fortification, cell, stronghold, presidio) |
| employment(conveyor, conveyance) |
| engagement in activity application(expression, idiom, employment, conveyor, conveyance) |
| entrenchment(noun, fortification, cell, stronghold, presidio) |
| estate house(noun, expression, fortification, cell, stronghold) |
| fasthold(noun, fortification, cell, stronghold, presidio) |
| fortification(noun, cell, stronghold, presidio, sustainment) |
| freightage(employment, conveyor, conveyance) |
| guard |
| guardhouse(noun, fortification, cell, stronghold, presidio) |
| guardianship |