10-letter words containing r, i, g, o
- high-proof — containing a high percentage of alcohol: high-proof spirits.
- highbrowed — (of a person) highbrow; intellectual and cultured.
- highermost — highest
- hippogriff — a fabulous creature resembling a griffin but having the body and hind parts of a horse.
- hippogryph — Alternative spelling of hippogriff.
- histograms — Plural form of histogram.
- hogarthian — William, 1697–1764, English painter and engraver.
- holstering — Present participle of holster.
- holy grail — grail (def 1).
- homorganic — (of two or more speech sounds) having the same place of articulation, as p, b, and m, which are all bilabial.
- hormogonia — a portion of filament in blue-green algae that becomes detached and reproduces by cell division.
- horologist — an expert in horology.
- horologium — a building supporting or containing a timepiece, as a clock tower.
- horrifying — to cause to feel horror; strike with horror: The accident horrified us all.
- hot spring — a thermal spring having water warmer than 98°F (37°C): the water is usually heated by emanation from or passage near hot or molten rock.
- hydrogenic — (chemistry) hydrogen-like.
- hydrologic — the science dealing with the occurrence, circulation, distribution, and properties of the waters of the earth and its atmosphere.
- hypergolic — (especially of rocket-fuel propellant constituents) igniting spontaneously upon contact with a complementary substance.
- iatrogenic — (of a medical disorder) caused by the diagnosis, manner, or treatment of a physician.
- iconograph — symbolic representation, especially the conventional meanings attached to an image or images.
- ideamonger — a person who originates and promotes or deals in ideas.
- ideogramic — Alt form ideogrammic.
- ideographs — an ideogram.
- ideography — the use of ideograms.
- idiography — The study of individuals.
- igniferous — (rare) Producing fire.
- ignorances — the state or fact of being ignorant; lack of knowledge, learning, information, etc.
- ignorantly — lacking in knowledge or training; unlearned: an ignorant man.
- ignoration — The state of being ignorant.
- imageboard — A type of Internet forum that revolves around the posting of images with minimal associated text.
- imbroglios — Plural form of imbroglio.
- immigrator — to come to a country of which one is not a native, usually for permanent residence.
- impowering — Present participle of impower.
- incouraged — Simple past tense and past participle of incourage.
- indagatory — investigatory
- indigobird — Any of various African passerine birds of the family Viduidae.
- inglorious — shameful; disgraceful: inglorious retreat.
- ingot iron — an iron of high purity made by a basic open-hearth process.
- ingression — the act of going in or entering.
- inorganics — Plural form of inorganic.
- inorganize — To corrupt an organization; disorganize.
- inpourings — Plural form of inpouring.
- insourcing — The practice of using an organization’s own personnel or other resources to accomplish a task.
- instigator — to cause by incitement; foment: to instigate a quarrel.
- integrator — a person or thing that integrates.
- integrious — (rare) Marked by integrity.
- intergroup — taking place or being between groups: intergroup relationships.
- intergrown — That have grown together and through each other.
- interorgan — (medicine) Between organs.
- interrogee — a person who is interrogated