burning vs kindling

burning and kindling both are nouns.

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

As nouns, kindling is a hyponym of burning; that is, kindling is a word with a more specific, narrower meaning than burning:

Other hyponyms of burning include arson, fire-raising, incendiarism, firing, ignition, inflammation, lighting, incineration.

burning (noun)	kindling (noun)
the act of burning something	the act of setting something on fire
execution by electricity	material for starting a fire
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

burning (adjective)	kindling (adjective)
of immediate import