tabby vs brindle

tabby is a noun but brindle is not a noun.

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

As adjectives, tabby and brindle are synonyms defined as:

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

Other synonyms of tabby include brinded, brindled.

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

tabby (adjective)	brindle (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