lighter vs kindling

lighter and kindling both are nouns.

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

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

Other hyponyms of lighter include firelighter, punk, spunk, tinder, touchwood, punk.

lighter (noun)	kindling (noun)
a device for lighting or igniting fuel or charges or fires	the act of setting something on fire
a flatbottom boat for carrying heavy loads (especially on canals)	material for starting a fire
a substance used to ignite or kindle a fire

lighter (verb)	kindling (verb)
transport in a flatbottom boat