12-letter words containing s, i, n, t, a, x
- saint xystus — Saint, pope a.d. 432–440.
- tax increase — an increase in the amount of tax that people and companies are obliged to pay
- unexhaustive — exhausting a subject, topic, etc.; comprehensive; thorough: He published an exhaustive study of Greek vases.
- unisexuality — of or relating to one sex only.