Haha sorry, forgetting important info! I believe it to be Young Adult, it's in English, but fantasy, and the word would be in common use in the WiP world...the writer wants a Latin/Romance word...as it sounds a bit better than the English "wrong type of blood" as a caste type...but at the moment is stuck with exsangue...although they're very happy to swap to a better word...but unable to come up with one themselves, lacking the Latin or Romance language knowledge...thought we may be able to help smile

----The next sentence is true. The previous sentence is false----