Consanguinity :: Consanguinity (n.) The relation of persons by blood, in distinction from affinity or relation by marriage; blood relationship; as, lineal consanguinity; collateral consanguinity..
Exsanguinity :: Exsanguinity (n.) Privation or destitution of blood; -- opposed to plethora.
Sanguinity :: sanguinity (n.) The quality of being sanguine; sanguineness.