armory vs arsenal

armory and arsenal both are nouns.

Word	Noun	Adjective	Verb	Adverb
armory	Yes	No	No	No
arsenal	Yes	No	No	No

As nouns, armory and arsenal are synonyms defined as:

Other synonyms of armory include armoury.

As nouns, armory and arsenal are synonyms defined as:

armory and arsenal: a military structure where arms and ammunition and other military equipment are stored and training is given in the use of arms

Other synonyms of armory include armoury.

As nouns, armory and arsenal are synonyms defined as:

Other synonyms of armory include armoury.

armory (noun)	arsenal (noun)
a place where arms are manufactured	a military structure where arms and ammunition and other military equipment are stored and training is given in the use of arms
a military structure where arms and ammunition and other military equipment are stored and training is given in the use of arms	a place where arms are manufactured
all the weapons and equipment that a country has	all the weapons and equipment that a country has
a collection of resources