11-Letter Words Containing: I,I,O,R,S

• A mythical beast, half griffin and half horse, supposedly the offspring of a griffin and a filly.

• surgical procedure in which spinal nerve roots are cut; done (anterior roots) to relieve intractable pain or (posterior roots) to stop severe muscle spasms

• To treat from the perspective of history or historicism

• a B vitamin that is essential for metabolism of amino acids and starch

• the position of viceroy