spunk vs kindling

spunk and kindling both are nouns.

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

As nouns, spunk and kindling are synonyms defined as:

Other synonyms of spunk include punk, tinder, touchwood.

spunk (noun)	kindling (noun)
the courage to carry on	the act of setting something on fire
material for starting a fire	material for starting a fire