12-letter words containing a, c, e, s, p, o
- sea scorpion — scorpionfish.
- season creep — the gradual changing in the length of the seasons, as demonstrated by earlier flowering of plants, etc, thought by many to be caused by climate change
- semitropical — subtropical.
- shadow price — the calculated price of a good or service for which no market price exists
- shamrock-pea — a trailing plant, Parochetus communis, of the legume family, native to Asia and east Africa, having shamrocklike leaves with a brown crescent at the base and pea-shaped, pink and blue flowers.
- sharecropper — a tenant farmer who pays as rent a share of the crop.
- slash pocket — a pocket set into a garment, especially below the waistline, to which easy access is provided by an exterior, vertical or diagonal slit.
- sophisticate — a sophisticated person.
- soprano clef — a sign locating middle C on the bottom line of the staff.
- spaciousness — containing much space, as a house, room, or vehicle; amply large.
- spatter cone — a low, steep-sided volcanic cone built up of droplets or blobs of lava erupted from a fissure or vent.
- special sort — a character, such as an accented letter, that is not a usual member of any font
- speciational — relating to speciation
- spectatorial — a person who looks on or watches; onlooker; observer.
- spectrograph — a spectroscope for photographing or producing a representation of a spectrum.
- speech organ — any part of the body, as the tongue, velum, diaphragm, or lungs, that participates, actively or passively, voluntarily or involuntarily, in the production of the sounds of speech.
- spermatocele — a swelling of the testicle
- spermatocide — spermicide.
- spermatocyte — a male germ cell (primary spermatocyte) that gives rise by meiosis to a pair of haploid cells (secondary spermatocytes) that give rise in turn to spermatids.
- sphacelation — the process of mortification
- spirochaetal — resulting from spirochaetes
- sport jacket — A sport jacket is the same as a sport coat.
- sportscaster — A sportscaster is a radio or television broadcaster who describes or comments on sporting events.
- spotted cavy — paca.
- stage pocket — one of several metal boxes placed backstage in the floor (floor pocket) or wall of a theater and containing jacks for electric cables used in lighting units.
- stapedectomy — a microsurgical procedure to relieve deafness by replacing the stapes of the ear with a prosthetic device.
- state police — a police force under state authority rather than under the authority of a city or county in the state.
- stegocarpous — (of a moss) belonging to the division Stegocarpi, having an operculate capsule
- stenographic — the art of writing in shorthand.
- stereoptican — a projector usually consisting of two complete lanterns arranged so that one picture appears to dissolve while the next is forming.
- stipulaceous — of, relating to, having, resembling, or living on stipules
- stupefaction — the state of being stupefied; stupor.
- subopercular — of or relating to the suboperculum
- superorganic — of or relating to the structure of cultural elements within society conceived as independent of and superior to the individual members of society.
- sycophantize — to act the sycophant
- thoracoscope — an instrument used for examining the pleural cavity
- tracheoscopy — examination of the interior of the trachea, as with a laryngoscope.
- tricephalous — with three heads
- tropicalised — to make tropical, as in character or appearance.
- troposcatter — the scattering or extended propagation of radio signals using the local irregularities in the Earth's troposphere
- uncomposable — not fit for composition
- unsyncopated — marked by syncopation: syncopated rhythm.
- vaporescence — production or formation of vapor.
- vector space — an additive group in which addition is commutative and with which is associated a field of scalars, as the field of real numbers, such that the product of a scalar and an element of the group or a vector is defined, the product of two scalars times a vector is associative, one times a vector is the vector, and two distributive laws hold.
- wages policy — a government policy setting wages and wage increases for workers, for example, setting minimum wage requirements
- yachtspeople — Plural form of yachtsperson.
- yachtsperson — A yachtsman or yachtswoman.