9-letter words containing o, s, i, p
- toad spit — cuckoo spit (sense 1)
- tok pisin — Neo-Melanesian.
- top-sider — a casual shoe, often made of canvas, having a nonskid rubber sole
- topstitch — to sew a line of stitches on the face side of (a garment or the like) alongside a seam.
- troopship — a ship for the conveyance of military troops; transport.
- tutorship — a person employed to instruct another in some branch or branches of learning, especially a private instructor.
- typhlosis — blindness.
- uncopious — large in quantity or number; abundant; plentiful: copious amounts of food.
- unimposed — to lay on or set as something to be borne, endured, obeyed, fulfilled, paid, etc.: to impose taxes.
- uniparous — Zoology. producing only one egg or offspring at a time.
- unspoiled — to damage severely or harm (something), especially with reference to its excellence, value, usefulness, etc.: The water stain spoiled the painting. Drought spoiled the corn crop.
- usucapion — the acquisition of property through long, undisturbed possession.
- utopistic — utopianism.
- vaporings — instances of boasting
- vide post — (used to direct a reader to a specified place in a text) see after
- vitascope — one of the first motion-picture projectors, developed by Thomas Edison.
- waypoints — Plural form of waypoint.
- whipstock — the handle of a whip.
- whipworms — Plural form of whipworm.
- woodchips — Plural form of woodchip.
- woodpiles — Plural form of woodpile.
- woodspite — the green woodpecker, Gecinus viridis
- worshiped — reverent honor and homage paid to God or a sacred personage, or to any object regarded as sacred.
- worshiper — reverent honor and homage paid to God or a sacred personage, or to any object regarded as sacred.
- wristdrop — paralysis of the extensor muscles of the hand causing it to droop, due to injuries or some poisons, as lead or arsenic.
- zooperist — a person who practises zoopery
- zooscopic — of or relating to zooscopy
- zoosporic — Having or pertaining to zoospores.