electrocution vs burning

electrocution and burning both are nouns.

Word	Noun	Adjective	Verb	Adverb
electrocution	Yes	No	No	No
burning	Yes	Yes	No	No

As nouns, electrocution and burning are synonyms defined as:

electrocution (noun)	burning (noun)
killing by electric shock	the act of burning something
execution by electricity	execution by electricity
	execution by fire
	a form of torture in which cigarettes or cigars or other hot implements are used to burn the victim's skin
	a process in which a substance reacts with oxygen to give heat and light
	pain that feels hot as if it were on fire

electrocution (adjective)	burning (adjective)
	of immediate import