livelihood vs living

livelihood and living both are nouns.

Word	Noun	Adjective	Verb	Adverb
livelihood	Yes	No	No	No
living	Yes	Yes	No	No

As nouns, livelihood and living are synonyms defined as:

Other synonyms of livelihood include bread and butter, keep, support, sustenance.

livelihood (noun)	living (noun)
the financial means whereby one lives	the experience of being alive; the course of human events and activities
	people who are still living
	the financial means whereby one lives
	the condition of living or the state of being alive

livelihood (adjective)	living (adjective)
	pertaining to living persons
	(informal) absolute
	still in existence
	(used of minerals or stone) in its natural state and place; not mined or quarried
	true to life; lifelike
	still in active use