9-letter words containing a, p, o, n
- 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.
- notopodia — Plural form of notopodium.
- nyctalope — a person or animal affected by nyctalopia
- nyctalops — a person affected by nyctalopia
- occupance — Occupancy.
- occupancy — the act, state, or condition of being or becoming a tenant or of living in or taking up quarters or space in or on something: Continued occupancy of the office depends on a rent reduction.
- occupants — Plural form of occupant.
- oil paint — oil color.
- oil-plant — any of several plants, as the castor-oil plant or sesame, the seeds of which yield an oil.
- omnigraph — a device for converting Morse Code signals that are punched on a tape into audio signals, used in the training of telegraph operators.
- 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.
- on patrol — monitoring an area
- on-campus — on the area of land that contains the main buildings of a university or college
- ondograph — an instrument for graphically recording oscillatory variations, as in alternating currents.
- onomatope — (linguistics) A word formed by onomatopoeia or mimesis.
- opalizing — Present participle of opalize.
- 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.
- opination — The state or process of opining. For example:.
- opinative — Conjectural; expressing an opinion rather than a fact.
- opiniated — Obsolete form of opinionated.
- oppugnant — opposing; antagonistic; contrary.
- opsomania — an extreme enthusiasm for a particular food
- opticians — Plural form of optician.
- orphanage — an institution for the housing and care of orphans.
- orphaning — Present participle of orphan.
- orpharion — (music) A musical instrument of the Renaissance, part of the cittern family, whose metal strings are tuned like a lute's and plucked with the fingers.
- orthopnea — difficult or painful breathing except in an erect sitting or standing position.
- outpacing — Present participle of outpace.
- 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
- pack into — If someone packs a lot of something into a limited space or time, they fit a lot into it.
- pactional — relating to an agreement or a bargain
- 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.
- padronism — a system of exploitative work controlled by a padrone
- paint out — to cover up with or as with a coat of paint
- paint pot — Also, paintpot. a container, as a jar, pail, or bucket, for holding paint while it is being applied.
- paintwork — layer of paint on wall or vehicle
- pair bond — the exclusive relationship formed between a male and a female, esp in some species of animals and birds during courtship and breeding