13-letter words containing s, t, a, u, o, r
- voluntariness — done, made, brought about, undertaken, etc., of one's own accord or by free choice: a voluntary contribution.
- voluntaristic — Philosophy. any theory that regards will as the fundamental agency or principle, in metaphysics, epistemology, or psychology.
- waste product — material discarded as useless in the process of producing something.
- water opossum — yapok.
- water-soluble — capable of dissolving in water.
- weather house — a model house with two human figures, one that comes out to foretell bad weather and the other to foretell good weather
- what's yours? — what would you like to drink?
- without tears — presented so as to be easily assimilated
- xanthochroous — light-skinned and fair-haired
- zinjanthropus — the genus to which Australopithecus boisei was formerly assigned.