9-letter words containing o, s, t, p, l, i
- prologist — a prologue writer or performer
- ptolemies — (Claudius Ptolemaeus) flourished a.d. 127–151, Hellenistic mathematician, astronomer, and geographer in Alexandria.
- pulsation — the act of pulsating; beating or throbbing.
- saprolite — soft, disintegrated, usually more or less decomposed rock remaining in its original place.
- scapolite — any of a group of minerals of variable composition, essentially silicates of aluminum, calcium, and sodium, occurring as massive aggregates or tetragonal crystals.
- scotophil — living and flourishing in darkness.
- sepiolite — meerschaum (def 1).
- septimole — a group of seven musical notes to be played in the same space of time as either four or six
- simpleton — an ignorant, foolish, or silly person.
- sky pilot — a member of the clergy, especially a chaplain of the armed forces.
- sky-pilot — a member of the clergy, especially a chaplain of the armed forces.
- slo pitch — slow pitch
- slo-pitch — a type of softball with ten players per side and in which each pitch must travel in an arc from three to ten feet high.
- soleprint — a print of the sole of a foot: often used in hospitals for identifying infants.
- solipsist — Philosophy. the theory that only the self exists, or can be proved to exist.
- spill out — overflow
- spilosite — a form of slate
- split off — separate from group
- split-off — the act of separating or splitting away from something else.
- spoliator — a plunderer
- spot line — a rope or wire hung from a specific place on the gridiron for flying a piece of scenery that could not be flied by the existing battens.
- spotlight — a strong, focused light thrown upon a particular spot, as on a small area of a stage or in a television studio, for making some object, person, or group especially conspicuous.
- stockpile — a supply of material, as a pile of gravel in road maintenance.
- stoplight — traffic light.
- strap-oil — a beating
- stylopize — (of a stylops) to parasitize (a host)
- tidepools — tidal pool.
- typhlosis — blindness.