9-letter words containing p, a, i, l, o
- lone pair — shoes, eyes
- mail drop — a receptacle or one of a series of pigeonholelike slots, as in an office, into which incoming mail is placed for pickup.
- maildrops — Plural form of maildrop.
- main loop — (programming) The top-level control flow construct in an input- or event-driven program, the one which receives and acts or dispatches on the program's input events. See also driver.
- malipiero — Gian Francesco [jahn frahn-che-skaw] /dʒɑn frɑnˈtʃɛ skɔ/ (Show IPA), 1882–1973, Italian composer.
- megalopia — macropsia.
- megalopic — having large eyes
- megapolis — megalopolis.
- nauplioid — of or relating to the first stage in the development of a freshly hatched nauplius larva
- nemophila — any of a genus, Nemophila, of low-growing hairy annual plants, esp N. menziesii, grown for its blue or white flowers: family Hydrophyllaceae
- neophilia — Love of new things.
- 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.
- nonpareil — having no equal; peerless.
- nonpliant — not pliant; inflexible
- notaphily — the collecting of bank notes as a hobby.
- occipital — of, relating to, or situated near the occiput or the occipital bone.
- octaploid — an organism that consists of eight groups or sets of chromosomes
- oedipally — in an oedipal manner
- oil paint — oil color.
- oil patch — an area in which oil is produced.
- oil-paper — a paper made waterproof and translucent by treatment with oil.
- oil-plant — any of several plants, as the castor-oil plant or sesame, the seeds of which yield an oil.
- olympiads — Plural form of olympiad.
- omphaloid — resembling or similar to the navel
- opalizing — Present participle of opalize.
- oppilated — Simple past tense and past participle of oppilate.
- opthalmic — Misspelling of ophthalmic.
- optically — of, relating to, or applying optics or the principles of optics.
- optimally — optimum (def 3).
- overplaid — a plaid pattern superimposed on another plaid
- pactional — relating to an agreement or a bargain
- paesiello — Giovanni [Italian jaw-vahn-nee] /Italian dʒɔˈvɑn ni/ (Show IPA), Paisiello, Giovanni.
- paisiello — Giovanni [jaw-vahn-nee] /dʒɔˈvɑn ni/ (Show IPA), 1741–1816, Italian composer.
- paleolith — a paleolithic stone implement.
- paleozoic — noting or pertaining to an era occurring between 570 million and 230 million years ago, characterized by the advent of fish, insects, and reptiles.
- palillogy — the repetition of a phrase or word
- palmation — a palmate state or formation.
- palpation — to examine by touch, especially for the purpose of diagnosing disease or illness.
- panlogism — the doctrine that the universe is a realization or act of the logos.
- papilloma — a benign tumor of the skin or mucous membrane consisting of hypertrophied epithelial tissue, as a wart.
- papillose — full of papillae.
- papillote — a decorative curled paper placed over the end of the bone of a cutlet or chop.
- parabolic — of, relating to, or involving a parable.
- paralogia — incoherent speech or thinking
- parboiled — to boil partially or for a short time; precook.
- parhelion — a bright circular spot on a solar halo; a mock sun: usually one of two or more such spots seen on opposite sides of the sun, and often accompanied by additional luminous arcs and bands.
- parochial — of, relating to, or financially supported by one or more church parishes: parochial churches in Great Britain.
- parodical — having or of the nature of a parody.
- parvoline — any of various isomeric ptomaines found in liquid derived from decaying animal matter or bituminous coals