6-letter words that end in o
- picaro — a rogue or vagabond.
- pinero — Sir Arthur Wing, 1855–1934, English playwright and actor.
- piopio — a New Zealand thrush, Turnagra capensis, thought to be extinct
- pisano — Andrea [ahn-dre-ah] /ɑnˈdrɛ ɑ/ (Show IPA), c1270–c1348, Italian sculptor.
- plonko — an alcoholic, esp one who drinks wine
- pomato — a hybrid between a tomato and a potato
- pomelo — the very large, yellow or orange citrus fruit of a tree, Citrus maxima, of southeastern Asia.
- poncho — a blanketlike cloak with a hole in the center to admit the head, originating in South America, now often worn as a raincoat.
- potaro — a river in central Guyana: (Kaieteur Falls) one of highest waterfalls in the world at 741 feet (226 meters). 100 miles (161 km) long.
- potato — Also called Irish potato, white potato. the edible tuber of a cultivated plant, Solanum tuberosum, of the nightshade family.
- presto — quickly, rapidly, or immediately.
- procto — proctosigmoidoscopy.
- pronto — promptly; quickly.
- pseudo — not actually but having the appearance of; pretended; false or spurious; sham.
- psycho — a psychopathic or psychotic person.
- pueblo — a communal structure for multiple dwelling and defensive purposes of certain agricultural Indians of the southwestern U.S.: built of adobe or stone, typically many-storied and terraced, the structures were often placed against cliff walls, with entry through the roof by ladder.
- pukeko — a wading bird, Porphyrio melanotus, of New Zealand, with a brightly coloured plumage
- pumelo — pomelo.
- pushto — Pashto.
- pyrrho — c365–c275 b.c, Greek philosopher.
- quango — (especially in Great Britain) a semi-public advisory and administrative body supported by the government and having most of its members appointed by the government.
- quarto — a book size of about 9½ × 12 inches (24 × 30 cm), determined by folding printed sheets twice to form four leaves or eight pages. Symbol: 4to, 4°.
- quatro — a small guitar with four or five strings or pairs of strings, used in Latin American and Caribbean music.
- quibdo — a city in W Colombia.
- rabato — a wide, stiff collar of the 17th century, worn flat over the shoulders or open in front and standing at the back.
- racino — a combined racetrack and casino
- rancho — a ranch.
- rapido — an express train.
- rebato — rabato.
- reboso — rebozo.
- rebozo — a long woven scarf, often of fine material, worn over the head and shoulders by Spanish and Mexican women.
- reecho — to echo back, as a sound.
- regulo — any of a number of temperatures to which a gas oven may be set
- rezero — to reset to zero
- rialto — an exchange or mart.
- riboso — rebozo.
- ribozo — rebozo.
- riccio — David [Italian dah-veed] /Italian ˈdɑ vid/ (Show IPA), Rizzio.
- righto — Some people say righto to show that they agree with a suggestion that someone has made.
- rizzio — David [dah-veed] /ˈdɑ vid/ (Show IPA), 1533?–66, Italian musician: private foreign secretary to Mary, Queen of Scots 1564–66.
- roadeo — a competition, usually held annually, for professional truck drivers testing driving skill.
- robalo — snook2 (def 1).
- rococo — a style of architecture and decoration, originating in France about 1720, evolved from Baroque types and distinguished by its elegant refinement in using different materials for a delicate overall effect and by its ornament of shellwork, foliage, etc.
- romano — a hard, light-colored, sharp, Italian cheese, usually made of ewe's milk.
- romulo — Carlos Pena [kahr-laws pe-nah] /ˈkɑr lɔs ˈpɛ nɑ/ (Show IPA), 1901–85, Philippine diplomat, journalist, and educator.
- rothko — Mark, 1903–70, U.S. painter, born in Russia.
- rotolo — (in Italian cuisine) a roll
- rubato — having certain notes arbitrarily lengthened while others are correspondingly shortened, or vice versa.
- run to — If you run to someone, you go to them for help or to tell them something.
- sabalo — the tarpon.