housing vs lamphouse

housing and lamphouse both are nouns.

Word	Noun	Adjective	Verb	Adverb
housing	Yes	No	No	No
lamphouse	Yes	No	No	No

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

housing: a protective cover designed to contain or support a mechanical component
lamphouse: housing that holds a lamp (as in a movie projector)

housing (noun)	lamphouse (noun)
structures collectively in which people are housed	housing that holds a lamp (as in a movie projector)
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