9-letter words containing a, n, g, i, o
- goal line — the line that bounds a goal, especially the front line.
- goatskins — Plural form of goatskin.
- goddamnit — Alternative spelling of goddammit.
- goliathan — huge; gigantic
- gonangium — a reproductive polyp of a colonial hydroid, giving rise asexually to medusa buds.
- goniatite — An ammonoid fossil of an early type found chiefly in the Devonian and Carboniferous periods, typically with simple angular suture lines.
- gorgonian — any of numerous alcyonarian corals of the order Gorgonacea, having a usually branching, horny or calcareous skeleton.
- gradation — any process or change taking place through a series of stages, by degrees, or in a gradual manner.
- grandiose — affectedly grand or important; pompous: grandiose words.
- grandioso — grand and imposing.
- graniform — Formed from or like corn.
- granitoid — resembling or having the texture of granite.
- granivore — Any animal that eats seeds as the main part of its diet.
- granolith — a composition stone for pavements, made from crushed granite or the like and cement.
- gravitino — the hypothetical fermionic partner of the graviton, predicted by the supergravity extension of Einstein's theory of general relativity.
- gravitons — Plural form of graviton.
- gray iron — pig iron or cast iron having much of its carbon in the form of graphite and exhibiting a gray fracture.
- gregorian — of or relating to any of the popes named Gregory, especially Gregory I or Gregory XIII.
- grivation — grid variation.
- grosgrain — a heavy, corded ribbon or cloth of silk or rayon.
- guanodine — (biochemistry, genetics) any of the three nucleotides guanosine monophosphate, guanosine diphosphate and guanosine triphosphate.
- guanosine — a ribonucleoside component of ribonucleic acid, comprising ribose and guanine.
- gustation — the act of tasting.
- guttation — a process in which water in liquid form is given off by plants.
- gynaecoid — Characteristic of a woman.
- gynobasic — an elevation of the receptacle of a flower, bearing the gynoecium.
- gyrations — Plural form of gyration.
- hallooing — Present participle of halloo.
- hallowing — to make holy; sanctify; consecrate.
- harboring — a part of a body of water along the shore deep enough for anchoring a ship and so situated with respect to coastal features, whether natural or artificial, as to provide protection from winds, waves, and currents.
- harmdoing — the doing of harm
- harrowing — extremely disturbing or distressing; grievous: a harrowing experience.
- hemogenia — pseudohemophilia.
- hoardings — Plural form of hoarding.
- hoatching — infested; swarming
- hog latin — pig Latin.
- hooligans — Plural form of hooligan.
- hooraying — Present participle of hooray.
- hostaging — a person given or held as security for the fulfillment of certain conditions or terms, promises, etc., by another.
- hynagogic — Misspelling of hypnagogic.
- iatrogeny — a disease caused by medical intervention or treatment
- ignorable — to refrain from noticing or recognizing: to ignore insulting remarks.
- ignoramus — an extremely ignorant person.
- ignorance — the state or fact of being ignorant; lack of knowledge, learning, information, etc.
- ignorants — Plural form of ignorant.
- iguanodon — a plant-eating dinosaur of the genus Iguanodon that lived in Europe early in the Cretaceous Period and grew to a length of from 15 to 30 feet (4.5 to 9 meters) and walked erect on its hind feet.
- incognita — a woman or girl who is incognita.
- incourage — Archaic form of encourage.
- indagator — to investigate; research.
- inorganic — not having the structure or organization characteristic of living bodies.