brindled vs burnt sienna

brindled

adj

of a brownish, tawny or gray colour, with streaks or spots; streaky, spotted

burnt sienna

adj

Of a dark reddish brown colour, like that of roasted sienna.

noun

dark reddish brown colour, like that of roasted sienna.

How often have the words brindled and burnt sienna occurred in a corpus of books? (source: Google Ngram Viewer )