donjon

As nouns the difference between bastion and donjon

is that bastion is bastion while donjon is the fortified tower of a motte or early castle; a keep.

Stronghold is a related term of donjon.

As nouns the difference between stronghold and donjon

is that stronghold is a fortress while donjon is the fortified tower of a motte or early castle; a keep.

Fortress is a related term of donjon.

As nouns the difference between fortress and donjon

is that fortress is a fortified place; a large and permanent fortification, sometimes including a town; a fort; a castle; a stronghold; a place of defense or security while donjon is the fortified tower of a motte or early castle; a keep.

As a verb fortress

is to furnish with a fortress or with fortresses; to guard; to fortify.

Donjon is a related term of fort.

As a noun donjon

is the fortified tower of a motte or early castle; a keep.

As an adjective fort is

.

As a verb fort is

.

Donjon is a related term of fortification.

As nouns the difference between donjon and fortification

is that donjon is the fortified tower of a motte or early castle; a keep while fortification is fortification.

Donjon is a related term of citadel.

As nouns the difference between donjon and citadel

is that donjon is the fortified tower of a motte or early castle; a keep while citadel is a strong fortress that sits high above a city.