Yes, bloods is a Scrabble word!

Verb

1. Smear with blood, as in a hunting initiation rite, where the face of a person is smeared with the blood of the kill

Noun

1. The fluid (red in vertebrates) that is pumped through the body by the heart and contains plasma, blood cells, and platelets

2. Temperament or disposition

3. A dissolute man in fashionable society

4. The descendants of one individual

5. People viewed as members of a group