6-letter words containing o, s, i
- tostig — died 1066, earl of Northumbria (1055–65), brother of King Harold II. He joined the Norwegian forces that invaded England in 1066 and died at Stamford Bridge
- toxins — any poison produced by an organism, characterized by antigenicity in certain animals and high molecular weight, and including the bacterial toxins that are the causative agents of tetanus, diphtheria, etc., and such plant and animal toxins as ricin and snake venom.
- toyish — resembling a toy
- triose — a monosaccharide that has three atoms of carbon.
- tripos — (at Cambridge University, England) any of various final honors examinations.
- tsoris — trouble, distress, woe, misery, etc.
- tsotsi — a Black street thug or gang member
- ulosis — the formation of a scar
- unison — coincidence in pitch of two or more musical tones, voices, etc.
- urosis — a urinary disease
- ustion — the act of burning
- valois — Dame Ninette [ni-net] /nɪˈnɛt/ (Show IPA), (Edris Stannus) 1898–2001, British ballet dancer, choreographer, teacher, and director: founder of the Royal Ballet (originally the Sadler's Wells Ballet).
- vinous — of, resembling, or containing wine.
- vinson — Frederick Moore, 1890–1953, U.S. jurist: chief justice of the U.S. 1946–53.
- virose — poisonous; foul-smelling
- vision — the act or power of sensing with the eyes; sight.
- volsci — a warlike people of ancient Latium, subdued by Rome in the fifth and fourth centuries bc
- whosis — whoosis.
- whosit — A thing (used in a vague way to refer to something whose name one cannot recall, or that one is embarrassed to say).
- widows — Plural form of widow.
- wilson — Sir Angus (Frank Johnstone) [jon-stuh n,, -suh n] /ˈdʒɒn stən,, -sən/ (Show IPA), 1913–91, English writer.
- winsor — Justin, 1831–97, U.S. librarian and historian.
- wisdom — the quality or state of being wise; knowledge of what is true or right coupled with just judgment as to action; sagacity, discernment, or insight.
- xiphos — A double-edged, single-handed sword used by the Ancient Greeks as a secondary weapon after the spear or javelin.
- yogism — a school of Hindu philosophy advocating and prescribing a course of physical and mental disciplines for attaining liberation from the material world and union of the self with the Supreme Being or ultimate principle.
- yoicks — Used by fox hunters to urge on the hounds.
- yonsei — The fourth generation or great-grandchildren of Japanese immigrants, particularly in North America and in Latin America.
- zooids — Plural form of zooid.
- zoysia — any of several low-growing grasses of the genus Zoysia, especially Z. matrella, native to tropical Asia and widely used for lawns.