pilot burner vs pilot light

pilot burner and pilot light both are nouns.

Word	Noun	Adjective	Verb	Adverb
pilot burner	Yes	No	No	No
pilot light	Yes	No	No	No

As nouns, pilot burner and pilot light are synonyms defined as:

pilot burner and pilot light: small auxiliary gas burner that provides a flame to ignite a larger gas burner

Other synonyms of pilot burner include pilot.

pilot burner (noun)	pilot light (noun)
small auxiliary gas burner that provides a flame to ignite a larger gas burner	indicator consisting of a light to indicate whether power is on or a motor is in operation
	small auxiliary gas burner that provides a flame to ignite a larger gas burner