4-letter words that end in o
- eddo — the edible root of the taro or of any of several related plants.
- eldo — European Launcher Development Organization
- ello — Eye dialect of hello.
- endo — (slang) marijuana.
- ergo — Therefore.
- esro — European Space Research Organization
- euro — The single European currency, which replaced the national currencies of France, Germany, Spain, Italy, Greece, Portugal, Luxembourg, Austria, Finland, the Republic of Ireland, Belgium, and the Netherlands in 2002. Seventeen member states of the European Union now use the euro.
- evoo — extra virgin olive oil
- exco — (informal) executive committee or council.
- expo — A large exhibition.
- fado — a Portuguese folk song typically of doleful or fatalistic character and usually accompanied on the guitar.
- fano — a town in central Italy, on the Adriatic Sea: cathedral; Roman ruins.
- faro — a seaport in S Portugal.
- fico — fig1 (def 4).
- fido — a system for evaporating the fog above airfield runways by the heat from burners.
- fifo — first-in first-out
- filo — stack
- fino — a pale, very dry sherry of Spain.
- floo — Dated form of flu.
- fomo — a feeling of anxiety or insecurity over the possibility of missing out on something, as an event or an opportunity: If I say no to a party invitation, I get a bad case of FOMO.
- foto — (informal) photo.
- frco — Fellow of the Royal College of Organists
- frio — a river in S Texas, flowing S and SE to the Nueces River SE of San Antonio. 220 miles (354 km) long.
- furo — a short, deep Japanese bathtub, often with a seat, in which a person sits upright while soaking in hot water.
- gabo — Naum [noum] /naʊm/ (Show IPA), (Naum Pevsner) 1890–1977, U.S. sculptor, born in Russia (brother of Antoine Pevsner).
- gapo — (in South America) a forest near a river, esp one which becomes flooded during the rainy season
- gcvo — (Knight or Dame) Grand Cross of the Royal Victorian Order
- gdmo — Guidelines for the Definition of Managed Objects. A standard (ISO/IEC 10165-4) for defining data models on ASN.1
- gigo — a rule of thumb stating that when faulty data are fed into a computer, the information that emerges will also be faulty.
- gino — a male given name.
- giro — autogiro.
- gobo — a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
- gogo — à gogo.
- goto — 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.
- gyno — (UK, Australia, informal) abbreviation of gynecologist.
- gypo — gyppo.
- gyro — gyrocompass.
- hako — Pawnee Indian ceremony celebrating the union of Earth and Heaven and the genesis of life.
- halo — Also called nimbus. a geometric shape, usually in the form of a disk, circle, ring, or rayed structure, traditionally representing a radiant light around or above the head of a divine or sacred personage, an ancient or medieval monarch, etc.
- haro — a cry meaning alas
- helo — helicopter.
- hero — a person noted for courageous acts or nobility of character: He became a local hero when he saved the drowning child.
- hilo — a seaport on E Hawaii island, in SE Hawaii.
- hmso — Her/His Majesty's Stationery Office
- hobo — a tramp or vagrant.
- hojo — a member of a powerful family in Japan that ruled as regents in the name of the shoguns during the period 1203–1333.
- holo — A hologram.
- homo — a contemptuous term used to refer to a homosexual, especially a male homosexual.
- hugo — Victor (Marie, Viscount) [vik-ter muh-ree;; French veek-tawr ma-ree] /ˈvɪk tər məˈri;; French vikˈtɔr maˈri/ (Show IPA), 1802–85, French poet, novelist, and dramatist.
- huso — any of a genus of large sturgeons containing two species: Huso huso and Huso dauricus