satiation vs fullness

satiation and fullness both are nouns.

Word	Noun	Adjective	Verb	Adverb
satiation	Yes	No	No	No
fullness	Yes	No	No	No

As nouns, fullness is a hypernym of satiation; that is, fullness is a word with a broader meaning than satiation:

satiation: the state of being satisfactorily full and unable to take on more
fullness: the condition of being filled to capacity

satiation (noun)	fullness (noun)
the act of achieving full gratification	greatness of volume
the state of being satisfactorily full and unable to take on more	the property of a sensation that is rich and pleasing
	the condition of being filled to capacity
	completeness over a broad scope