10-letter words containing i, p, r, o, s
- muciparous — muciferous.
- multisport — designed or used for a variety of sports.
- myrioscope — a form of kaleidoscope
- necropolis — a cemetery, especially one of large size and usually of an ancient city.
- necropsied — the examination of a body after death; autopsy.
- necropsies — Plural form of necropsy.
- neotropics — Tropical America: the tropical areas of North, Central and South America; the tropics of the New World.
- noiseproof — soundproof.
- nonaspirin — (of a medicine) not containing aspirin
- nonpareils — Plural form of nonpareil.
- nonparties — Plural form of nonparty.
- nonprofits — Plural form of nonprofit.
- nonstriped — Not striped.
- nootropics — Plural form of nootropic.
- offsprings — children or young of a particular parent or progenitor.
- omniparous — producing or generating all things
- oophoritis — inflammation of an ovary, usually combined with an inflammation of the Fallopian tubes; ovaritis.
- operations — Plural form of operation.
- operatives — Plural form of operative.
- opisometer — an instrument used to measure curved lines on a map
- opium wars — a war between Great Britain and China that began in 1839 as a conflict over the opium trade and ended in 1842 with the Chinese cession of Hong Kong to the British, the opening of five Chinese ports to foreign merchants, and the grant of other commercial and diplomatic privileges in the Treaty of Nanking.
- 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.
- orpharions — Plural form of orpharion.
- orthoepist — the study of correct pronunciation.
- orthoprism — a prism which has faces parallel to its vertical axis
- orthoptics — a method of exercising the eye and its muscles in order to cure strabismus or improve vision.
- orthoptist — One who practices orthoptics.
- outpromise — to promise more than
- overimpose — to lay on or set as something to be borne, endured, obeyed, fulfilled, paid, etc.: to impose taxes.
- overpraise — to praise excessively or unduly.
- oversimple — excessively simple
- oversimply — in an oversimple manner
- ovipositor — (in certain female insects) an organ at the end of the abdomen, by which eggs are deposited.
- panivorous — subsisting on bread; bread-eating.
- parabiosis — experimental or natural union of two individuals with exchange of blood.
- paragnosis — knowledge obtained by supernatural means
- paralogism — argument violating principles of valid reasoning.
- parasitoid — an organism that practices parasitoidism.
- parasomnia — any of several sleep disorders characterized by abnormal or unusual behaviour of the nervous system during any of the stages of sleep
- parodistic — parodic.
- paroecious — (of certain mosses) having the male and female reproductive organs beside or near each other.
- paroxysmic — any sudden, violent outburst; a fit of violent action or emotion: paroxysms of rage.
- parrotfish — any of various chiefly tropical marine fishes, especially of the family Scaridae: so called because of their brilliant coloring and the shape of their jaws.
- parsonical — a member of the clergy, especially a Protestant minister; pastor; rector.
- parvovirus — Veterinary Pathology. a highly contagious, often fatal viral disease of dogs, characterized by vomiting, severe diarrhea, and depression and accompanied by high fever and loss of appetite.
- pasionaria — La (la), real name Dolores Ibarruri. 1895–1989, Spanish Communist leader, who lived in exile in the Soviet Union (1939–75)
- passiflora — a plant of the genus Passiflora
- passionary — passional (def 3).