6-letter words that end in o
- nagano — a city on central Honshu, in central Japan.
- nam co — a salt lake in SW China, in SE Tibet at an altitude of 4629 m (15 186 ft). Area: about 1800 sq km (700 sq miles)
- nardoo — (Australia) Marsilea drummondii, a four-leaved cryptogamous plant sometimes used for food.
- naruto — A type of kamaboko.
- navaho — a member of the principal tribe of the southern division of the Athabaskan stock of North American Indians, located in New Mexico and Arizona, and now constituting the largest tribal group in the U.S.
- navajo — a member of the principal tribe of the southern division of the Athabaskan stock of North American Indians, located in New Mexico and Arizona, and now constituting the largest tribal group in the U.S.
- nereco — NEtwork REmote COmmunications.
- niello — a black metallic substance, consisting of silver, copper, lead, and sulfur, with which an incised design or ground is filled to produce an ornamental effect on metal.
- ningbo — a seaport in E Zhejiang province, in E China.
- nocebo — an inactive substance or a real medication that produces unpleasant or worsening symptoms in a patient or research participant because the person expects negative effects.
- nonego — anything not considered to be the ego or conscious self; a thing external to the mind.
- nonpro — (informal) A nonprofessional.
- novato — a city in W California, N of San Francisco.
- numero — The sign ⟨ № ⟩.
- nuncio — a diplomatic representative of the pope at a foreign court or capital: equal in status to an ambassador.
- nympho — A nymphomaniac.
- obento — bento.
- octavo — a book size of about 6 × 9 inches (16 × 23 cm), determined by printing on sheets folded to form 8 leaves or 16 pages. Symbol: 8vo, 8°.
- olingo — any raccoonlike, nocturnal, fruit-eating mammal of the genus Bassaricyon, inhabiting tropical jungles from Nicaragua to Peru and Bolivia and having large eyes and a long, ringed tail.
- opilio — The snow crab Chionoecetes opilio.
- oporto — a port in NW Portugal, near the mouth of the Douro River.
- orebro — a city in S Sweden.
- orozco — José Clemente [haw-se kle-men-te] /hɔˈsɛ klɛˈmɛn tɛ/ (Show IPA), 1883–1949, Mexican painter.
- osasco — a city in SE Brazil, NW of São Paulo.
- osorno — a city in S Chile.
- oswego — a town in NW Oregon.
- otello — an opera (1887) with music by Giuseppe Verdi and a libretto by Arrigo Boito based on Shakespeare's Othello.
- out to — making a determined effort to
- ovambo — a member of a mixed Khoikhoi and Negroid people of southern Africa, living chiefly in N Namibia: noted for their skill in metal work
- overdo — to do to excess; overindulge in: to overdo dieting.
- overgo — to go beyond or pass by
- oviedo — a city in NW Spain.
- owosso — a city in central Michigan.
- pacino — Al, full name Alfredo James Pacino. born 1940, US film actor; his films include The Godfather (1972), Dog Day Afternoon (1975), Scent of a Woman (1992), for which he won an Oscar, and Insomnia (2002)
- palolo — palolo worm.
- panino — Usually, panini. a traditional, small Italian sandwich filled with meat, cheese, grilled vegetables, etc., and usually toasted.
- panuco — a river in E central Mexico, flowing E to the Gulf of Mexico. About 315 miles (505 km) long.
- papago — a member of a North American Indian people closely related to the Pima and now living mainly in southern Arizona and northwestern Mexico.
- paramo — a high, cold plateau of South America.
- pareto — Vilfredo [veel-fre-daw] /vilˈfrɛ dɔ/ (Show IPA), 1848–1923, Italian sociologist and economist in Switzerland.
- pashto — an Indo-European, Iranian language that is the official language of Afghanistan and the chief vernacular of the eastern part of the nation.
- pedalo — pedal boat
- peepbo — Peepbo is a game you play with babies in which you cover your face with your hands or hide behind something and then suddenly show your face, saying 'peepbo'.
- pepino — a rounded, cone-shaped hill in a karstic area.
- pernio — chilblain.
- perovo — a former city in the W Russian Federation, incorporated into Moscow.
- pesaro — a seaport in E Italy, on the Adriatic Sea.
- phaedo — a philosophical dialogue (4th century b.c.) by Plato, purporting to describe the death of Socrates, dealing with the immortality of the soul, and setting forth the theory of Ideas.
- phyllo — flaky, tissue-thin layers of pastry used in baked desserts and appetizers.
- physio — physical therapy