brindle vs tabby

brindle is not a noun while tabby is a noun.

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

As adjectives, brindle and tabby are synonyms defined as:

brindle and tabby: having a grey or brown streak or a pattern or a patchy coloring; used especially of the patterned fur of cats

Other synonyms of brindle include brinded, brindled.

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

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