12-letter words containing p, e, r, i, o
- fire support — support given by artillery and aircraft to infantry and armored vehicles.
- fireproofing — the act or process of rendering fireproof.
- first person — the grammatical person used by a speaker in statements referring to himself or herself (first person singular) or to a group including himself or herself (first person plural)
- fisherpeople — Plural form of fisherperson.
- fisherperson — A fisherman or fisherwoman.
- flavoprotein — an enzyme, containing riboflavin and linked chemically with a protein, active in the oxidation of foods in animal cells.
- fleet prison — (formerly) a London prison, esp used for holding debtors
- flip-flopper — a person who makes a complete change of policy, opinion, etc
- floppy drive — disk drive
- fluorapatite — a crystalline mineral, Ca 5 (PO 4) 3 F, formed from hydroxyapatite in the presence of fluoride, that has a hardening effect on bones and teeth.
- foetoprotein — Alternative spelling of fetoprotein.
- followership — the ability or willingness to follow a leader.
- fore-topsail — a topsail set on a foremast on a ship.
- foreman-ship — a person in charge of a particular department, group of workers, etc., as in a factory or the like.
- foretopsails — Plural form of foretopsail.
- former pupil — someone who used to attend a particular school or be a student of a particular teacher
- fort pickens — Andrew, 1739–1817, American Revolutionary general.
- fortepianist — the player of a fortepiano
- fortified pa — a Māori hilltop dwelling with trenches and palisades for defensive occupation
- four-striper — a captain in the U.S. Navy.
- freeing port — an opening in the bottom of a bulwark, for rapid drainage of a weather deck in heavy seas; scupper.
- fried potato — Fried potatoes are pieces of potato cooked in oil or fat.
- fringe group — a group that is on the periphery of a larger organization because its views are more extreme than the majority
- frontispiece — an illustrated leaf preceding the title page of a book.
- gaboon viper — a large, venomous snake, Bitis gabonica, of tropical African forests, having large retractable fangs and geometrically patterned scales of yellow, brown, and sometimes purple.
- geographical — of or relating to geography.
- georgia pine — longleaf pine.
- germanophile — a person who is friendly toward or admires or studies Germany or German culture.
- gerontophile — someone who is sexually attracted to old people
- get to grips — to deal with (a problem or subject)
- giant powder — dynamite composed of nitroglycerin and kieselguhr.
- ginger group — the most active group within an organization, as a political party.
- glucoprotein — glycoprotein.
- glycerolipid — (organic chemistry) Any lipid based on glycerol.
- glycoprotein — any of a group of complex proteins, as mucin, containing a carbohydrate combined with a simple protein.
- gospel choir — a choir performing gospel music
- gossipmonger — a person especially fond of or addicted to gossiping.
- governorship — the duties, term in office, etc., of a governor.
- grace period — a period of time after a payment becomes due, as of a loan or life-insurance premium, before one is subject to penalties or late charges or before the loan or policy is canceled.
- haemoprotein — Alternative spelling of hemoprotein.
- hagiographer — one of the writers of the Hagiographa.
- helicographs — Plural form of helicograph.
- helicoptered — Simple past tense and past participle of helicopter.
- heliographed — Simple past tense and past participle of heliograph.
- heliographer — (obsolete) Photographer.
- heliographic — a device for signaling by means of a movable mirror that reflects beams of light, especially sunlight, to a distance.
- heliospheric — Of or pertaining to the heliosphere.
- heliotherapy — treatment of disease by means of sunlight.
- heliotropism — heliotropic tendency or growth.
- hemimorphism — The condition of being hemimorphic.