wall bracket vs truss

wall bracket and truss both are nouns.

Word	Noun	Adjective	Verb	Adverb
wall bracket	Yes	No	No	No
truss	Yes	No	Yes	No

As nouns, truss is a hyponym of wall bracket; that is, truss is a word with a more specific, narrower meaning than wall bracket:

wall bracket: a support projecting from a wall (as to hold a shelf)
truss: (architecture) a triangular bracket of brick or stone (usually of slight extent)

Other hyponyms of wall bracket include angle bracket, angle iron, console, corbel, modillion, sconce, shelf bracket.

wall bracket (noun)	truss (noun)
a support projecting from a wall (as to hold a shelf)	a framework of beams (rafters, posts, struts) forming a rigid structure that supports a roof or bridge or other structure
	(medicine) a bandage consisting of a pad and belt; worn to hold a hernia in place by pressure
	(architecture) a triangular bracket of brick or stone (usually of slight extent)

wall bracket (verb)	truss (verb)
	support structurally
	tie the wings and legs of a bird before cooking it
	secure with or as if with ropes