radar dome vs housing

radar dome and housing both are nouns.

Word	Noun	Adjective	Verb	Adverb
radar dome	Yes	No	No	No
housing	Yes	No	No	No

As nouns, housing is a hypernym of radar dome; that is, housing is a word with a broader meaning than radar dome:

radar dome: a housing for a radar antenna; transparent to radio waves
housing: a protective cover designed to contain or support a mechanical component

radar dome (noun)	housing (noun)
a housing for a radar antenna; transparent to radio waves	structures collectively in which people are housed
	a protective cover designed to contain or support a mechanical component
	stable gear consisting of a decorated covering for a horse, especially (formerly) for a warhorse