9-letter words containing o, r, a, i
- nontragic — not tragic
- nontribal — not related to, originating from, or involving a tribe or tribes
- normalise — Non-Oxford British standard spelling of normalize.
- normality — conforming to the standard or the common type; usual; not abnormal; regular; natural.
- normalize — to make normal.
- normandie — a former province of N France, on the English Channel: settled by Vikings under Rollo in the 10th century; scene of the Allied landings in 1944. Chief town: Rouen
- normanize — to make or become Norman in character, style, customs, etc
- normative — of or relating to a norm, especially an assumed norm regarded as the standard of correctness in behavior, speech, writing, etc.
- norwegian — of or relating to Norway, its inhabitants, or their language.
- nostratic — designating or of a proposed language superfamily that includes the Indo-European, Afroasiatic, Dravidian, Uralic, and Altaic families
- notarised — to certify (a document, contract, etc.) or cause to become certified through a notary public.
- notarized — Simple past tense and past participle of notarize.
- notarizes — Third-person singular simple present indicative form of notarize.
- oak ridge — a city in E Tennessee, near Knoxville: atomic research center.
- obligator — to bind or oblige morally or legally: to obligate oneself to purchase a building.
- octonarii — lines with eight feet
- ocularist — a person who makes artificial eyes
- officiary — pertaining to or derived from an office, as a title.
- oil-paper — a paper made waterproof and translucent by treatment with oil.
- oligarchs — Plural form of oligarch.
- oligarchy — a form of government in which all power is vested in a few persons or in a dominant class or clique; government by the few.
- omnigraph — a device for converting Morse Code signals that are punched on a tape into audio signals, used in the training of telegraph operators.
- omnirange — a radio navigational aid in which stations emit distinctive signals on each of 360 degrees, giving the bearing of each degree with reference to magnetic north.
- opacifier — an agent added to render something opaque
- operatics — Exaggerated or overly emotional behaviour; histrionics.
- operating — used or engaged in performing operations: an operating surgeon.
- operation — an act or instance, process, or manner of functioning or operating.
- operative — a person engaged, employed, or skilled in some branch of work, especially productive or industrial work; worker.
- operatize — to turn (a play, novel, etc) into an opera
- 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.
- oratorial — A rarer form of oratorical.
- oratorian — a member of an Oratory.
- oratories — Plural form of oratory.
- oratorios — Plural form of oratorio.
- orbicular — like an orb; circular; ringlike; spherical; rounded.
- orbituary — Orbital.
- ordaining — Present participle of ordain.
- ordinaire — an ordinary table wine
- ordinally — of or relating to an order, as of animals or plants.
- ordinance — an authoritative rule or law; a decree or command.
- ordinands — Plural form of ordinand.
- ordinated — Simple past tense and past participle of ordinate.
- ordinates — Plural form of ordinate.
- ordinator — One who ordains or establishes; a director.
- oregonian — of Oregon
- organised — to form as or into a whole consisting of interdependent or coordinated parts, especially for united action: to organize a committee.
- organiser — Standard spelling of organizer.
- organises — Third-person singular simple present indicative form of organise.
- organisms — Plural form of organism.