gas jet vs gas burner

gas jet and gas burner both are nouns.

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

As nouns, gas jet and gas burner are synonyms defined as:

gas jet and gas burner: burner such that combustible gas issues from a nozzle to form a steady flame

gas jet (noun)	gas burner (noun)
burner such that combustible gas issues from a nozzle to form a steady flame	burner such that combustible gas issues from a nozzle to form a steady flame