13-letter words containing u, n, r, a, i, s
- voluntaristic — Philosophy. any theory that regards will as the fundamental agency or principle, in metaphysics, epistemology, or psychology.
- white russian — Byelorussian (def 2).
- winter squash — any of several varieties of Cucurbita maxima or C. moschata that mature in late autumn and are used, when ripe, as a vegetable.
- zarathustrian — Zoroaster.
- zinjanthropus — the genus to which Australopithecus boisei was formerly assigned.
- zoosporangium — a sporangium or spore case in which zoospores are produced.