[trebb]

\Squaw\, n. [Massachusetts Indian squa, eshqua; Narragansett squ[^a]ws; Delaware ochqueu, and khqueu; used also in compound words (as the names of animals) in the sense of female.] A female; a woman; -- in the language of Indian tribes of the Algonquin family, correlative of sannup

Newer definitions are listed as offensive, but the original seems pretty straight-forward...

[Illbay]

"Nigger" was originally a term for a very dark shade of brown, or "off-black."

I doubt you could get away with it now. Heck, you can't even say "niggardly."