5-letter words that end in o
- gallo — Robert (Charles) born 1937, U.S. scientist, specializing in cancer and AIDS research.
- gambo — a simple farm cart
- garbo — Greta (Greta Lovisa Gustaffson) 1905–90, U.S. film actress, born in Sweden.
- gecko — any of numerous small, mostly nocturnal tropical lizards of the family Gekkonidae, usually having toe pads that can cling to smooth surfaces: the largest species, Gekko gecko, is sometimes kept as a pet.
- genco — Power 'gen'eration 'co'mpany.
- genio — (archaic) Somebody of a particular turn of mind.
- genro — any of the unofficial elder statesmen of Japan who influenced the government c1875–1940.
- gesso — gypsum or plaster of Paris prepared with glue for use as a surface for painting.
- ginzo — a contemptuous term used to refer to a person of Italian origin or descent.
- giono — Jean [zhahn] /ʒɑ̃/ (Show IPA), 1895–1970, French novelist.
- gippo — (British, offensive, slang) A Gypsy.
- gismo — a gadget or device: What is this gismo supposed to do?
- gitgo — start; beginning: to work hard from the git-go.
- gitmo — Guantánamo: referring more specifically to the detainment camp run there by the US military, in which suspected terrorists are detained and questioned
- gizmo — gismo.
- go to — functioning properly and ready: two minutes before the satellite is to be launched and all systems are go.
- go-go — ALPS
- go-to — being a person who can be turned to for expert knowledge, advice, or reliable performance, especially in a crucial situation: He's our go-to guy in a budget crisis.
- gobbo — a hunchback
- gombo — gumbo.
- gonzo — (of journalism, reportage, etc.) filled with bizarre or subjective ideas, commentary, or the like.
- grebo — (slang, UK, predominantly West Midlands) A greaser or biker; a member of any alternative subculture, as opposed to a chav or townie.
- greco — (Domenikos Theotocopoulos) 1541–1614, Spanish painter, born in Crete.
- grego — a short, hooded coat of thick, coarse fabric, originally worn in the eastern Mediterranean countries.
- guaco — a climbing composite plant, Mikania guaco, of tropical America.
- guano — a natural manure composed chiefly of the excrement of sea birds, found especially on islands near the Peruvian coast.
- guido — a male given name.
- guiro — a South American musical instrument consisting of a hollow gourd with serrated surface that is scraped with a stick.
- gumbo — a stew or thick soup, usually made with chicken or seafood, greens, and okra or sometimes filé as a thickener.
- gusto — hearty or keen enjoyment, as in eating or drinking, or in action or speech in general: to dance with gusto. Synonyms: enthusiasm, delight, relish, zest, spirit, fervor.
- gyppo — a logger who operates on a small budget and typically gleans the timberlands already cut by larger companies.
- haemo — (informal) haemodialysis.
- hallo — the cry “hallo!”.
- hambo — a Swedish folk dance in three-quarter time, originating in the 16th century.
- hanno — Carthaginian statesman, fl. 3rd century b.c.
- helio — a heliogram.
- hello — hello, world
- herro — Eye dialect of hello, representing Oriental.
- hetro — (informal) Heterosexual: of, pertaining to, or being a heterosexual person.
- hillo — Obsolete form of hello.
- himbo — an attractive but stupid young man.
- hippo — hippopotamus.
- ho ho — laughter
- hollo — Hey, hello.
- hondo — Honshu.
- hoppo — (dated) A Chinese collector of customs (duties); an overseer of commerce.
- hullo — (UK) Alternative form of hello (Greeting.).
- hydro — Informal. hydroelectric power.
- idaho — a state in the NW United States. 83,557 sq. mi. (216,415 sq. km). Capital: Boise. Abbreviation: ID (for use with zip code), Id., Ida.
- igloo — an Eskimo house, being a dome-shaped hut usually built of blocks of hard snow.