9-letter words containing a, p, e, n, i
- sapogenin — a crystalline substance derived from saponin
- sappiness — abounding in sap, as a plant.
- scarpines — an instrument for torturing feet
- scrape in — to succeed in entering with difficulty or by a narrow margin
- septarian — a concretionary nodule or mass, usually of calcium carbonate or of argillaceous carbonate of iron, traversed within by a network of cracks filled with calcite and other minerals.
- septation — a division between cavities or parts of an organism by partitions or septa
- septimana — a week.
- seraphine — an old reed-based keyboard instrument; a reed organ
- seriplane — a test for evaluating the quality of raw silk by inspecting it under controlled conditions for variations in the diameter of the yarn and for imperfections and content.
- shear pin — an easily replaceable pin inserted in a machine at a critical point and designed to shear and stop the machine if the load becomes too great
- singapore — an island on the Strait of Singapore, off the S tip of the Malay Peninsula.
- siphonage — the action of a siphon.
- siphonate — (of molluscs) having a syphon
- sisyphean — of or relating to Sisyphus.
- snake pit — a mental hospital marked by squalor and inhumane or indifferent care for the patients.
- spaciness — the state of being spacey
- spanaemia — a lack of red corpuscles in blood
- spanaemic — relating to a lack of red corpuscles in blood
- sparteine — a bitter, poisonous, liquid alkaloid obtained from certain species of broom, especially Cytisus scoparius, used in medicine to stimulate the heart and also the uterine muscles in childbirth.
- spearmint — an aromatic herb, Mentha spicata, having lance-shaped leaves used for flavoring.
- speranski — Mikhail Mikhailovich (mixɑˈil). 1772–1839, Russian statesman, chief adviser (1807–12) to Alexander I. His greatest achievement was the codification of Russian law (begun 1826)
- spiderman — a person who erects the steel structure of a building
- spikenard — an aromatic, Indian plant, Nardostachys jatamansi, of the valerian family, believed to be the nard of the ancients.
- spin wave — a magnetic wave propagated through a crystal lattice by a collective excitation of the spin angular momentum of electrons.
- spinacene — a type of vaccine
- spinebash — to rest; loaf.
- spinnaker — a large, usually triangular sail carried by a yacht as a headsail when running before the wind or when the wind is abaft the beam.
- spinulate — having a spine or spines
- standpipe — a vertical pipe or tower into which water is pumped to obtain a required head.
- stenopaic — (of an optic device) having a narrow opening devised to improve eyesight by limiting obscurations
- stephanie — a female given name.
- strapline — a subheading in a newspaper or magazine article or in any advertisement
- subalpine — pertaining to the regions at the foot of the Alps.
- tailplane — horizontal stabilizer.
- tampering — to meddle, especially for the purpose of altering, damaging, or misusing (usually followed by with): Someone has been tampering with the lock.
- taper pin — a short round metal rod having a small amount of taper so that when driven into a hole it tightens on the taper so that it can act as a stop or wedge
- taxiplane — an airplane available for chartered or unscheduled trips.
- thaneship — thanage.
- the pinta — one of the three ships commanded by Columbus on his first voyage to America (1492)
- time span — duration, period
- timespans — a span of time; time frame.
- tin plate — thin sheet of tin-coated iron, steel
- tin-plate — to coat (iron or steel sheet) with tin.
- transpire — to occur; happen; take place.
- trepidant — trepid.
- tritanope — a person who cannot distinguish the colour blue
- unapplied — having a practical purpose or use; derived from or involved with actual phenomena (distinguished from theoretical, opposed to pure): applied mathematics; applied science.
- unbaptize — to remove the effects of baptism
- underpaid — to pay less than is deserved or usual.
- unpalsied — not affected by paralysis