Territorial Army vs territorial

Territorial Army and territorial both are nouns.

Word	Noun	Adjective	Verb	Adverb
Territorial Army	Yes	No	No	No
territorial	Yes	Yes	No	No

As nouns, territorial is a hypernym of Territorial Army; that is, territorial is a word with a broader meaning than Territorial Army:

Territorial Army: British unit of nonprofessional soldiers organized for the defense of Great Britain
territorial: a territorial military unit

Other hypernyms of Territorial Army include territorial reserve.

Territorial Army (noun)	territorial (noun)
British unit of nonprofessional soldiers organized for the defense of Great Britain	a territorial military unit
	nonprofessional soldier member of a territorial military unit

Territorial Army (adjective)	territorial (adjective)
	belonging to the territory of any state or ruler
	displaying territoriality; defending a territory from intruders
	of or relating to a territory