shelter vs dog house

shelter and dog house both are nouns.

Word	Noun	Adjective	Verb	Adverb
shelter	Yes	No	Yes	No
dog house	Yes	No	No	No

As nouns, dog house is a hyponym of shelter; that is, dog house is a word with a more specific, narrower meaning than shelter:

Other hyponyms of shelter include bell cot, bell cote, birdhouse, canopy, cote, doghouse, kennel, lean-to, roost, sconce, sentry box.

shelter (noun)	dog house (noun)
a structure that provides privacy and protection from danger	outbuilding that serves as a shelter for a dog
protective covering that provides protection from the weather
temporary housing for homeless or displaced persons
a way of organizing business to reduce the taxes it must pay on current earnings
the condition of being protected

shelter (verb)	dog house (verb)
invest (money) so that it is not taxable
provide shelter for