9-letter words containing o, p, e, n, a
- nanopores — Plural form of nanopore.
- napoleons — Plural form of napoleon.
- nasoscope — Rhinoscope.
- nemophila — any of a genus, Nemophila, of low-growing hairy annual plants, esp N. menziesii, grown for its blue or white flowers: family Hydrophyllaceae
- neon lamp — a gas-discharge bulb containing two electrodes in neon gas and emitting a glow when a voltage is applied across the electrodes.
- neopagans — Plural form of neopagan.
- neophilia — Love of new things.
- neophobia — Extreme or irrational fear or dislike of anything new, novel, or unfamiliar.
- neopilina — any primitive mollusk of the genus Neopilina, having a serial repetition of internal organs that suggests a close relationship to the annelids.
- neoplasia — Pathology. tumor growth.
- neoplasms — Plural form of neoplasm.
- neoplasty — the surgical formation of new tissue structures or repair of damaged structures
- nephogram — a photograph of a cloud
- neuropath — A person affected by nervous disease, or with an abnormally sensitive nervous system.
- nonpareil — having no equal; peerless.
- nonparent — a person who is not a parent
- nonplaced — Not assigned a place.
- nonplayer — a person that is not playing
- nonstaple — not staple
- noscapine — (biochemistry) A benzylisoquinoline alkaloid obtained from plants of the Papaveraceae family, primarily used for its antitussive effects.
- notepaper — 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.
- nyctalope — a person or animal affected by nyctalopia
- occupance — Occupancy.
- on parade — on display
- on parole — If a prisoner is on parole, he or she is released before the official end of their prison sentence and will not be sent back to prison if their behaviour is good.
- onomatope — (linguistics) A word formed by onomatopoeia or mimesis.
- open call — an audition, especially for actors or dancers, open to anyone wishing to try out.
- open game — a relatively simple game involving open ranks and files, permitting tactical play, and usually following symmetrical development
- open goal — a goal which is left open or undefended
- open plan — a floor plan without fully enclosed spaces for distinct rooms.
- open-cast — open-cut.
- open-plan — a floor plan without fully enclosed spaces for distinct rooms.
- operantly — In an operant manner.
- operating — used or engaged in performing operations: an operating surgeon.
- operation — an act or instance, process, or manner of functioning or operating.
- opinative — Conjectural; expressing an opinion rather than a fact.
- opiniated — Obsolete form of opinionated.
- orphanage — an institution for the housing and care of orphans.
- orthopnea — difficult or painful breathing except in an erect sitting or standing position.
- over-plan — a scheme or method of acting, doing, proceeding, making, etc., developed in advance: battle plans.
- overpaint — to cover over with paint
- overplant — to plant more than is necessary or possible to sustain
- pad stone — a stone template.
- pademelon — any of several small Australian wallabies, especially of the genus Thylogale.
- paderborn — a city in North Rhine–Westphalia, in NW Germany.
- paleocene — noting or pertaining to an epoch of the Tertiary Period, from 65 to 55 million years ago, and characterized by a proliferation of mammals.
- paleogene — noting or pertaining to the earlier part of the Cenozoic Era, in the system adopted by some geologists, occurring from 65 to 25 million years ago and including the Oligocene, Eocene, and Paleocene epochs: corresponds to the earlier part of the Tertiary Period in the system generally used in the U.S. Compare Neogene.
- panchetto — a Renaissance chair having three splayed legs and a shaped back joined into a solid wooden seat.
- panderous — resembling a pander
- panegoism — a form of scepticism; subjective idealism