brick vs building material

brick and building material both are nouns.

Word	Noun	Adjective	Verb	Adverb
brick	Yes	No	Yes	No
building material	Yes	No	No	No

As nouns, building material is a hypernym of brick; that is, building material is a word with a broader meaning than brick:

brick: rectangular block of clay baked by the sun or in a kiln; used as a building or paving material
building material: material used for constructing buildings

Other hypernyms of brick include ceramic.

brick (noun)	building material (noun)
rectangular block of clay baked by the sun or in a kiln; used as a building or paving material	material used for constructing buildings
a good fellow; helpful and trustworthy

brick (verb)	building material (verb)
To stop working (of an electronic device)