Superfluity :: Superfluity (n.) A greater quantity than is wanted; superabundance; as, a superfluity of water; a superfluity of wealth..
Superfluity :: Superfluity (n.) The state or quality of being superfluous; excess.
Superfluous :: Superfluity (n.) Something beyond what is needed; something which serves for show or luxury.
Superflux :: Superfluous (a.) More than is wanted or is sufficient; rendered unnecessary by superabundance; unnecessary; useless; excessive; as, a superfluous price..