tabby vs patterned

tabby is a noun but patterned is not a noun.

Word	Noun	Adjective	Verb	Adverb
tabby	Yes	Yes	No	No
patterned	No	Yes	No	No

tabby (noun)	patterned (noun)
a cat with a grey or tawny coat mottled with black
female cat

tabby (adjective)	patterned (adjective)
having a grey or brown streak or a pattern or a patchy coloring; used especially of the patterned fur of cats	having patterns (especially colorful patterns)