burner vs gas bracket

burner and gas bracket both are nouns.

Word	Noun	Adjective	Verb	Adverb
burner	Yes	No	No	No
gas bracket	Yes	No	No	No

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

Other hyponyms of burner include blowlamp, blowtorch, torch, gas burner, gas jet.

burner (noun)	gas bracket (noun)
an apparatus for burning fuel (or refuse)	a pipe with one or more burners projecting from a wall
the heating elements of a stove or range on which pots and pans are placed for cooking