9-letter words containing a, r, m, o
- one-armed — having only one arm
- opium war — 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.
- orangeism — the principles and practices of the Orangemen.
- orangeman — a member of a secret society formed in the north of Ireland in 1795, having as its object the maintenance and political ascendancy of Protestantism.
- orangemen — a member of a secret society formed in the north of Ireland in 1795, having as its object the maintenance and political ascendancy of Protestantism.
- organisms — Plural form of organism.
- orgasming — the physical and emotional sensation experienced at the peak of sexual excitation, usually resulting from stimulation of the sexual organ and usually accompanied in the male by ejaculation.
- oriflamme — the red banner of St. Denis, near Paris, carried before the early kings of France as a military ensign.
- origamist — A person who does origami.
- orkneyman — a native or inhabitant of Orkney
- ornaments — Plural form of ornament.
- orthogamy — (botany) fertilization of the ovules of a plant by pollen from the same plant.
- osmeteria — glands in some caterpillars that secrete foul-smelling substances to deter predators
- ossuarium — ossuary.
- ostracism — exclusion, by general consent, from social acceptance, privileges, friendship, etc.
- other man — a man who is romantically or sexually involved with another man's wife or lover, especially a man who is having an affair with a married woman.
- outmaster — to surpass
- outscream — to scream louder than
- outsmarts — Third-person singular simple present indicative form of outsmart.
- outstream — a body of water flowing in a channel or watercourse, as a river, rivulet, or brook. Synonyms: rill, run, streamlet, runnel.
- ovaliform — Shaped like an egg; having a figure such that any section in the direction of the shorter diameter will be circular, and any in the direction of the longer diameter will be oval.
- overclaim — to demand by or as by virtue of a right; demand as a right or as due: to claim an estate by inheritance.
- overhuman — of, pertaining to, characteristic of, or having the nature of people: human frailty.
- overmatch — to be more than a match for; surpass; defeat: an assignment that clearly overmatched his abilities; an able task force that overmatched the enemy fleet.
- oysterman — a person who gathers, cultivates, or sells oysters.
- padronism — a system of exploitative work controlled by a padrone
- palampore — a cotton print woven in India and used for clothing, canopies, etc.
- palempore — an ornately patterned Indian cloth; a bed covering
- panoramic — an unobstructed and wide view of an extensive area in all directions.
- paramorph — a pseudomorph formed by a change in crystal structure but not in chemical composition.
- paramount — chief in importance or impact; supreme; preeminent: a point of paramount significance.
- pariahdom — an outcast.
- paroemiac — proverbial; axiomatic
- parsimony — extreme or excessive economy or frugality; stinginess; niggardliness.
- pastorium — a Baptist parsonage.
- patrimony — an estate inherited from one's father or ancestors.
- patrolman — a police officer who is assigned to patrol a specific district, route, etc.
- pauperdom — the state of being a person who is extremely poor
- peperomia — any of numerous tropical and subtropical plants belonging to the genus Peperomia, of the pepper family, cultivated as houseplants for their ornamental foliage.
- permalloy — any of various alloys containing iron and nickel (45–80 per cent) and sometimes smaller amounts of chromium and molybdenum
- permeator — to pass into or through every part of: Bright sunshine permeated the room.
- petrogram — a drawing or painting on rock, especially one made by a member of a prehistoric people.
- pharmaco- — indicating drugs
- phenogram — a diagram depicting taxonomic relationships among organisms based on overall similarity of many characteristics without regard to evolutionary history or assumed significance of specific characters: usually generated by computer.
- phonogram — a unit symbol of a phonetic writing system, standing for a speech sound, syllable, or other sequence of speech sounds without reference to meaning.
- photogram — a silhouette photograph made by placing an object directly on sensitized paper and exposing it to light.
- pictogram — pictograph.
- piroplasm — babesia.
- piroxicam — a white crystalline solid substance, C 1 5 H 1 3 N 3 O 4 S, used in the symptomatic treatment of osteoarthritis and rheumatoid arthritis and other musculoskeletal disorders.
- placoderm — any of various extinct jawed fishes of the class Placodermi, dominant in seas and rivers during the Devonian Period and characterized by bony armored plates on the head and upper trunk.