Quonset hut vs army hut

Quonset hut and army hut both are nouns.

Word	Noun	Adjective	Verb	Adverb
Quonset hut	Yes	No	No	No
army hut	Yes	No	No	No

As nouns, army hut is a hypernym of Quonset hut; that is, army hut is a word with a broader meaning than Quonset hut:

Quonset hut: a prefabricated hut of corrugated iron having a semicircular cross section
army hut: temporary military shelter

Other hypernyms of Quonset hut include field hut, hut.

Quonset hut (noun)	army hut (noun)
a prefabricated hut of corrugated iron having a semicircular cross section	temporary military shelter