bony vs skinny

bony is not a noun while skinny is a noun.

Word	Noun	Adjective	Verb	Adverb
bony	No	Yes	No	No
skinny	Yes	Yes	No	No

As adjectives, bony and skinny are synonyms defined as:

Other synonyms of bony include boney, scraggly, scraggy, scrawny, underweight, weedy.

bony (noun)	skinny (noun)
	confidential information about a topic or person

bony (adjective)	skinny (adjective)
having bones especially many or prominent bones	of or relating to or resembling skin
composed of or containing bone	giving or spending with reluctance
being very thin	being very thin
	fitting snugly