9-letter words containing t, r, o, s, i
- orrisroot — the rootstock of the orris, used in perfumery, medicine, etc.
- orthoaxis — the axis in a crystal
- orthotics — Also, orthosis. a device or support, especially for the foot, used to relieve or correct an orthopedic problem.
- orthotist — (used with a singular verb) a branch of medicine dealing with the making and fitting of orthotic devices.
- osmeteria — glands in some caterpillars that secrete foul-smelling substances to deter predators
- ostiaries — Plural form of ostiary.
- ostracise — to exclude, by general consent, from society, friendship, conversation, privileges, etc.: His friends ostracized him after his father's arrest.
- ostracism — exclusion, by general consent, from social acceptance, privileges, friendship, etc.
- ostracize — to exclude, by general consent, from society, friendship, conversation, privileges, etc.: His friends ostracized him after his father's arrest.
- ostrasize — Misspelling of ostracize.
- ostriches — Plural form of ostrich.
- ostricize — Misspelling of ostracize.
- ostringer — astringer.
- ostrisize — Misspelling of ostracize.
- otherwise — under other circumstances: Otherwise they may get broken.
- outdrinks — Plural form of outdrink.
- outdrives — Third-person singular simple present indicative form of outdrive.
- outliners — Plural form of outliner.
- outparish — a parish located outside the boundaries of or at a distance from a town or city; an outlying parish.
- outraised — Simple past tense and past participle of outraise.
- outriders — Plural form of outrider.
- outrights — Third-person singular simple present indicative form of outright.
- outsiders — Plural form of outsider.
- outskirts — Often, outskirts. the outlying district or region, as of a city, metropolitan area, or the like: to live on the outskirts of town; a sparsely populated outskirt.
- outspring — to spring out
- outsprint — to race or move at full speed, especially for a short distance, as in running, rowing, etc.
- outstrain — to strain or stretch too much
- outstride — to surpass in striding
- outstrike — (transitive) To strike faster than.
- outstrips — Third-person singular simple present indicative form of outstrip.
- outstrive — to strive harder than
- overshirt — a pullover sport shirt, worn outside the waistband of a skirt or pair of slacks.
- oversight — an omission or error due to carelessness: My bank statement is full of oversights.
- overskirt — an outer skirt.
- overstain — to stain too much
- overstink — to stink more than (something else)
- oystering — any of several edible, marine, bivalve mollusks of the family Ostreidae, having an irregularly shaped shell, occurring on the bottom or adhering to rocks or other objects in shallow water.
- parotitis — inflammation of a parotid.
- pastoring — a minister or priest in charge of a church.
- pastorium — a Baptist parsonage.
- patronise — to give (a store, restaurant, hotel, etc.) one's regular patronage; trade with.
- periaktos — an ancient device used for changing theatre scenery, usually consisting of a revolving triangular prism with different scenes painted on each face; the device was heavily used in the Renaissance
- peristome — Botany. the one or two circles of small, pointed, toothlike appendages around the orifice of a capsule or urn of mosses, appearing when the lid is removed.
- peronista — Peronist.
- perotinus — ("Magnus Magister") fl. late 12th to early 13th century, French composer.
- pertusion — the process or act of making a hole with a stabbing or penetrating implement
- petronius — Gaius (ˈɡaɪəs), known as Petronius Arbiter. died 66 ad, Roman satirist, supposed author of the Satyricon, a picaresque account of the licentiousness of contemporary society
- petrosian — Tigran (tiɡˈran). 1929–84, Soviet chess player; world champion (1963–69)
- pirithoüs — a prince of the Lapiths, who accomplished many great deeds with his friend Theseus
- piscatory — of or relating to fishermen or fishing: a piscatory treaty.