bonyness vs emaciation

bonyness and emaciation both are nouns.

Word	Noun	Adjective	Verb	Adverb
bonyness	Yes	No	No	No
emaciation	Yes	No	No	No

As nouns, bonyness and emaciation are synonyms defined as:

bonyness and emaciation: extreme leanness (usually caused by starvation or disease)

Other synonyms of bonyness include boniness, gauntness, maceration.

bonyness (noun)	emaciation (noun)
extreme leanness (usually caused by starvation or disease)	extreme leanness (usually caused by starvation or disease)