6-letter words containing o, s, i
- inmost — situated farthest within: the inmost recesses of the forest.
- insole — the inner sole of a shoe or boot.
- insoul — ensoul.
- intros — Plural form of intro.
- iodise — (British) alternative spelling of iodize.
- iodism — poisoning caused by sensitivity to or overuse of iodine or its compounds.
- iodous — containing iodine, especially in the trivalent state.
- ionics — the study of the behaviour of ions
- ionise — to separate or change into ions.
- irokos — Plural form of iroko.
- isidor — a male given name.
- isobar — Meteorology. a line drawn on a weather map or chart that connects points at which the barometric pressure is the same.
- isodef — uniform deficiency, especially a line connecting points of equal deviation from a mean, as on a chart or graph.
- isogon — a polygon having all angles equal.
- isohel — a line on a weather map connecting points that receive equal amounts of sunshine.
- isolda — a female given name, form of Iseult.
- isolde — German name of Iseult.
- isolex — an isogloss marking off the area in which a particular item of vocabulary is found
- isolog — one of two or more isologous compounds.
- isomer — Chemistry. a compound displaying isomerism with one or more other compounds.
- isonzo — a river in S Europe, flowing S from the Julian Alps in Slovenia to the Gulf of Trieste in Italy. 75 miles (120 km) long.
- isopag — a line drawn on a map connecting all points where ice exists at approximately the same period during winter.
- isopod — any freshwater, marine, or terrestrial crustacean of the order or suborder Isopoda, having seven pairs of legs typically adapted for crawling, and a dorsoventrally flattened body, and including wood lice, several aquatic parasites of crabs and shrimps, and numerous swimming or bottom-dwelling species.
- isopor — an imaginary line on the earth's surface connecting points of equal annual change in the declination, inclination, or other components of the earth's magnetic field.
- isotac — a line drawn on a map connecting all points where ice starts to melt at approximately the same period in spring.
- jimson — Jimsonweed.
- jissom — Alternative spelling of jism.
- joints — Plural form of joint.
- joists — Third-person singular simple present indicative form of joist.
- josiah — Also, Douay Bible, Josias [joh-sahy-uh s] /dʒoʊˈsaɪ əs/ (Show IPA). a king of Judah, reigned 640?–609? b.c. II Kings 22.
- joskin — a bumpkin.
- jospin — Lionel (Robert) born 1937, French politician; prime minister (1997–2002)
- kairos — A propitious moment for decision or action.
- kibosh — nonsense.
- kiddos — Informal. (used as a familiar form of address.)
- kiosks — Plural form of kiosk.
- koines — Plural form of koine.
- kosice — a city in SE Slovakia.
- koumis — fermented mare's or camel's milk, used as a beverage by Asian nomads.
- lashio — a town in N Burma (Myanmar), NE of Mandalay: the SW terminus of the Burma Road.
- lesion — an injury; hurt; wound.
- li-sao — a poem (c320 b.c.) by Ch'ü Yüan.
- liason — Misspelling of liaison.
- limbos — Plural form of limbo.
- límnos — a Greek island in the NE Aegean. 186 sq. mi. (480 sq. km). Capital: Myrina.
- limous — thick, slimy or muddy
- lingos — Plural form of lingo.
- lisbon — a republic in SW Europe, on the Iberian Peninsula, W of Spain. (Including the Azores and the Madeira Islands) 35,414 sq. mi. (91,720 sq. km). Capital: Lisbon.
- lissom — lithesome or lithe, especially of body; supple; flexible.
- liston — Sonny, real name Charles. 1922–70, US boxer: former world heavyweight champion