living vs realistic

living is a noun but realistic is not a noun.

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

living (noun)	realistic (noun)
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

living (adjective)	realistic (adjective)
pertaining to living persons	aware or expressing awareness of things as they really are
(informal) absolute	of or relating to the philosophical doctrine of realism
still in existence	representing what is real; not abstract or ideal
(used of minerals or stone) in its natural state and place; not mined or quarried
true to life; lifelike
still in active use