hutch vs igloo

hutch and igloo both are nouns.

Word	Noun	Adjective	Verb	Adverb
hutch	Yes	No	No	No
igloo	Yes	No	No	No

As nouns, igloo is a hyponym of hutch; that is, igloo is a word with a more specific, narrower meaning than hutch:

hutch: small crude shelter used as a dwelling
igloo: an Eskimo hut; usually built of blocks (of sod or snow) in the shape of a dome

Other hyponyms of hutch include iglu, mudhif.

hutch (noun)	igloo (noun)
a cage (usually made of wood and wire mesh) for small animals	an Eskimo hut; usually built of blocks (of sod or snow) in the shape of a dome
small crude shelter used as a dwelling