dog house vs shelter

dog house and shelter both are nouns.

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

As nouns, shelter is a hypernym of dog house; that is, shelter is a word with a broader meaning than dog house:

Other hypernyms of dog house include outbuilding.

dog house (noun)	shelter (noun)
outbuilding that serves as a shelter for a dog	a structure that provides privacy and protection from danger
	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

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