fortification

As a noun fortification is

fortification.

Fortification is a related term of garrison.

As a noun fortification

is fortification.

As a proper noun garrison 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.

As nouns the difference between bunker and fortification

is that bunker is a hardened shelter, often buried partly or fully underground, designed to protect the inhabitants from falling bombs or other attacks while fortification is the act of fortifying; the art or science of fortifying places to strengthen defence against an enemy.

As a verb bunker

is to load a vessel with oil or coal for the engine.

Citadel is a synonym of fortification.

As nouns the difference between citadel and fortification

is that citadel is a strong fortress that sits high above a city while fortification is fortification.

As nouns the difference between stronghold and fortification

is that stronghold is a fortress while fortification is the act of fortifying; the art or science of fortifying places to strengthen defence against an enemy.

Fortification is a synonym of bulwark.

As nouns the difference between fortification and bulwark

is that fortification is fortification while bulwark is a defensive wall or rampart.

As a verb bulwark is

to fortify something with a wall or rampart.

As nouns the difference between castle and fortification

is that castle is a large building that is fortified and contains many defences; in previous ages often inhabited by a nobleman or king while fortification is the act of fortifying; the art or science of fortifying places to strengthen defence against an enemy.

As a verb castle

is to perform the move of castling.

As a proper noun Castle

is {{surname}.

As nouns the difference between fortification and tower

is that fortification is the act of fortifying; the art or science of fortifying places to strengthen defence against an enemy while tower is a structure, usually taller than it is wide, often used as a lookout, usually unsupported by guy-wires.

As a verb tower is

to be very tall.