12-letter words containing p, a, l, e, o
- bachelor pad — a flat in which a bachelor lives
- bachelorship — the state of being a bachelor; bachelorhood
- baden-powell — Robert Stephenson Smyth (smɪθ, smaɪθ), 1st Baron Baden-Powell. 1857–1941, British general, noted for his defence of Mafeking (1899–1900) in the Boer War; founder of the Boy Scouts (1908) and (with his sister Agnes) the Girl Guides (1910)
- ballad opera — an opera consisting of popular tunes to which appropriate words have been set, interspersed with spoken dialogue
- ballot paper — A ballot paper is a piece of paper on which you indicate your choice or opinion in an election or ballot.
- barge couple — either of a pair of outside rafters along the gable end of a roof
- battle group — a group of warships usually consisting of at least one aircraft carrier, other surface ships, submarines, landing craft, etc
- beer parlour — a room in a tavern, hotel, etc in which beer is served
- benzal group — the bivalent group C 7 H 6 –, derived from benzaldehyde.
- betanaphthol — a colorless, crystalline isomer of naphthol, C10H8O, used as an antiseptic and parasiticide
- bipropellant — a rocket propellant consisting of two substances, usually a fuel and an oxidizer
- black copper — a regulus of 95-percent-pure copper, produced in a blast furnace by smelting oxidized copper ores.
- black powder — gunpowder as used in sports involving modern muzzleloading firearms
- black sapote — a tropical American tree, Diospyros digyna, related to the persimmon, having sweet, edible, green fruit that turns black when ripe.
- blastosphere — blastula
- blood sample — an amount of a person's blood taken from their body for use in medical tests
- bog asphodel — either of two liliaceous plants, Narthecium ossifragum of Europe or N. americanum of North America, that grow in boggy places and have small yellow flowers and grasslike leaves
- booklet pane — Philately. any of a number of panes or small pages of postage stamps, stapled together into a booklet for the convenience of users.
- bootleg play — a play in which the quarterback pretends to hand the ball to a teammate, hides it by placing it next to his hip, and runs with it.
- bottle party — a party to which guests bring drink
- breastplough — a plough driven by the worker's breast, often used to pare turf
- caesalpinoid — of, relating to, or belonging to the Caesalpinoideae, a mainly tropical subfamily of leguminous plants that have irregular flowers: includes carob, senna, brazil, cassia, and poinciana
- caloreceptor — a receptor stimulated by heat.
- camelopardus — a faint extensive constellation in the N hemisphere close to Ursa Major and Cassiopeia
- camerapeople — a person who operates a camera, especially a movie or TV camera.
- cancelpoodle — (messaging) (Or Cancelbunny) A manifestation of the Cancelmoose in the form of a more selective (and probably not automated) way to cancel Usenet articles. The term became common during the alt.religion.scientology wars of the mid-90s, during which Cancelpoodles were used. The "poodle" part is an allusion to one of the parties obliquely involved in the fray, who an earlier well-known witticism had compared to "a psychotic poodle".
- cape buffalo — a large, black, nearly hairless, very fierce buffalo (Syncerus caffer) of South Africa, with horns joined at the bases to form a helmetlike structure
- cape colored — a South African of mixed European and African or Malayan ancestry.
- cape delgado — a headland on the NE coast of Mozambique
- cape ortegal — a cape in NW Spain, projecting into the Bay of Biscay
- cape-lookout — Cape, a sandy reef in the Outer Banks, off E North Carolina, SW of Cape Hatteras: lighthouse.
- capillaceous — having numerous filaments resembling hairs or threads
- capitol peak — a mountain in W central Colorado, in the Elk range of the Rocky Mountains. 14,130 feet (4310 meters).
- capped elbow — a swelling of the elbow of a horse due to irritation caused by the hoof striking the elbow when lying down.
- cardioplegia — deliberate arrest of the action of the heart, as by hypothermia or the injection of chemicals, to enable complex heart surgery to be carried out
- carpool lane — a lane of a major road or motorway that is reserved for vehicles with a minimum number of passengers, designed to encourage carpooling
- castile soap — a hard soap made from olive oil and sodium hydroxide
- cattleperson — Someone who works with, or rears cattle.
- cebocephalic — Exhibiting or relating to cebocephaly.
- cephalometer — an instrument for positioning the human head for X-ray examination in cephalometry
- cephalometry — measurement of the dimensions of the human head by radiography: used mainly in orthodontics
- cephalopodic — relating to or resembling a cephalopod
- ceroplastics — the art of wax modelling
- chalcopyrite — a widely distributed yellow mineral consisting of a sulphide of copper and iron in tetragonal crystalline form: the principal ore of copper. Formula: CuFeS2
- channel port — one of the English or French ports on the English Channel
- cheiloplasty — plastic surgery of the lip.
- chlorapatite — (mineral) A variety of apatite containing chloride instead of fluoride.
- chorus pedal — an electronic device that creates the effect of more than one sound from a single source by combining a short delay with slight deviations in pitch
- clap eyes on — to catch sight of
- clapperboard — A clapperboard consists of two pieces of wood that are connected by a hinge and hit together before each scene when making a film, to make it easier to match the sound and pictures of different scenes.