skinny vs scraggly

skinny is a noun but scraggly is not a noun.

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

As adjectives, skinny and scraggly are synonyms defined as:

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

skinny (noun)	scraggly (noun)
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skinny (adjective)	scraggly (adjective)
of or relating to or resembling skin	being very thin
giving or spending with reluctance	ragged, thin, or untidy in appearance
being very thin
fitting snugly