10-letter words containing r, e, o, p
- nonreceipt — Lack of receipt; failure to receive.
- nonspeaker — a person who does not or cannot speak
- nonstriped — Not striped.
- north cape — a point of land on an island at the N tip of Norway: the northernmost point of Europe.
- north pole — the region of a magnet toward which the lines of magnetic induction converge (south pole) or from which the lines of induction diverge (north pole)
- nose drops — medicinal drops applied via the nostrils
- not proven — a third verdict available to Scottish courts, returned when there is evidence against the defendant but insufficient to convict
- note-paper — writing paper, especially that used in writing notes or personal correspondence and usually less than 8½ × 11 inches (21.6 × 27.9 cm) in size.
- nurse crop — a crop planted in the same field with another crop, especially to minimize the growth of weeds.
- octopusher — a person who plays octopush
- octothorpe — hash character
- odoriphore — the group of atoms in an odorous molecule responsible for its odour
- off-pricer — a seller of off-price merchandise.
- oglethorpe — James Edward, 1696–1785, British general: founder of the colony of Georgia.
- old permic — a subfamily of Finnic, comprising the modern languages Udmurt and Komi, spoken in northeastern European Russia, and fragmentary attestations of an earlier language (Old Permic) dating from the 15th century.
- oleographs — Plural form of oleograph.
- oleuropein — (organic compound) A complex glycoside, found in the leaves of olive and privet, that may have a beneficial effect on the immune system.
- ombrophile — a plant which survives well or flourishes in rainy conditions
- ombrophobe — a plant which does not survive in or tolerate rainy conditions
- omeprazole — a drug, C 17 H 19 N 3 O 3 S, that inhibits the formation of gastric acid, used in the treatment of peptic ulcers and gastroesophageal reflux disease.
- on purpose — the reason for which something exists or is done, made, used, etc.
- open brace — left brace
- open court — a court or trial to which members of the public are freely admitted
- open cover — a cover of a set consisting entirely of open sets.
- open doors — the policy of admitting people of all nationalities or ethnic groups to a country upon equal terms, as for immigration.
- open frame — a frame in which a bowler fails to make a strike or a spare.
- open group — The Open Group
- open order — a troop formation for drill or basic combat training, the intervals between the individuals being greater than those in close order.
- open-carry — the practice of publicly carrying a gun or other weapon that is fully or partially visible.
- opensource — Alternative spelling of open-source.
- opera-goer — someone who attends operas
- operagoers — Plural form of operagoer.
- operagoing — Attending opera performances.
- operatable — to work, perform, or function, as a machine does: This engine does not operate properly.
- operations — Plural form of operation.
- operatives — Plural form of operative.
- operculate — having an operculum.
- ophiolater — a person who worships snakes
- opisometer — an instrument used to measure curved lines on a map
- opotherapy — organotherapy.
- oppressing — to burden with cruel or unjust impositions or restraints; subject to a burdensome or harsh exercise of authority or power: a people oppressed by totalitarianism.
- oppression — the exercise of authority or power in a burdensome, cruel, or unjust manner.
- oppressive — burdensome, unjustly harsh, or tyrannical: an oppressive king; oppressive laws.
- oppressors — to burden with cruel or unjust impositions or restraints; subject to a burdensome or harsh exercise of authority or power: a people oppressed by totalitarianism.
- optometric — Of or pertaining to optometry.
- orange-tip — a European butterfly, Anthocharis cardamines, having whitish wings with orange-tipped forewings: family Pieridae
- orchiopexy — (surgery) The procedure to move an undescended testicle into the scrotum.
- order port — a port at which a merchant vessel calls for orders regarding the loading or discharge of cargo.
- organ pipe — one of the pipes of a pipe organ.
- oropendola — any of several birds of the genus Gymnostinops, related to crows and feeding primarily on fruit and nectar, noted especially for their hanging nests.