stronghold

As nouns the difference between stronghold and null

is that stronghold is a fortress while null is zero, nil; the cardinal number before einn.

As a letter s

is the letter s with a.

As a noun stronghold is

a fortress.

As nouns the difference between center and stronghold

is that center is centre / center while stronghold is a fortress.

As nouns the difference between foothold and stronghold

is that foothold is (climbing) a solid grip with the feet while stronghold is a fortress.

As nouns the difference between hotbed and stronghold

is that hotbed is a low bed of earth covered with glass, and heated with rotting manure; used for the germination of seeds and the growth of tender plants a hotbed works as a miniature hothouse, ie greenhouse while stronghold is a fortress.

As nouns the difference between stronghold and kee

is that stronghold is a fortress while kee is .

As nouns the difference between bunker and stronghold

is that bunker is bunker while stronghold is a fortress.

As nouns the difference between blockhouse and stronghold

is that blockhouse is a sturdy military fortification, often of concrete, with gunports while stronghold is a fortress.