9-letter words that end in is
- parotitis — inflammation of a parotid.
- paruresis — a psychological inability to urinate in the presence of others
- periapsis — the closest point to a central body reached by a body in orbit
- pertussis — whooping cough.
- phlebitis — inflammation of a vein, often occurring in the legs and involving the formation of a thrombus, characterized by swelling, pain, and change of skin color.
- phrenitis — inflammation of the brain; encephalitis.
- phronesis — wisdom in determining ends and the means of attaining them.
- pleuritis — an instance of pleurisy
- polyposis — the development of numerous polyps on a hollow internal organ, seen especially in the intestinal tract.
- pontlevis — a drawbridge.
- precrisis — occurring or existing before a crisis; of or pertaining to the period preceding a crisis
- priapitis — inflammation of the penis.
- proboscis — the trunk of an elephant.
- proclisis — the pronunciation of a word as a proclitic
- proctitis — inflammation of the rectum and anus.
- prognosis — Medicine/Medical. a forecasting of the probable course and outcome of a disease, especially of the chances of recovery.
- prolepsis — Rhetoric. the anticipation of possible objections in order to answer them in advance.
- promuscis — the proboscis of some insects
- propontis — Marmara
- proptosis — the forward displacement of an organ.
- prostasis — (in a classical temple) a pronaos or prostas before a cella.
- prothesis — the addition of a sound or syllable at the beginning of a word, as in Spanish escala “ladder” from Latin scala.
- protoavis — a fossil bird of the genus Protoavis, from the Triassic Period, having a birdlike, partly toothless jaw structure, a tail and hind legs resembling those of the dinosaur, and the hollow bones and keellike breast that are characteristic of modern birds: the oldest known avian type, preceding the archaeopteryx by an estimated 75 million years.
- pseudaxis — sympodium.
- psoriasis — a common chronic, inflammatory skin disease characterized by scaly patches.
- psychosis — a mental disorder characterized by symptoms, such as delusions or hallucinations, that indicate impaired contact with reality.
- pyrolysis — the subjection of organic compounds to very high temperatures.
- quebecois — Quebecer.
- rara avis — a rare person or thing; rarity.
- real axis — the horizontal axis in an Argand diagram.
- resinosis — excessive production and/or outflow of resin in conifers due to disease or damage
- retinitis — inflammation of the retina.
- rheotaxis — oriented movement of an organism in response to a current of fluid, especially water.
- roof iris — an iris, Iris tectorum, of China and Japan, having frilled, violet or white flowers.
- scleritis — inflammation of the sclera.
- sclerosis — Pathology. a hardening or induration of a tissue or part, or an increase of connective tissue or the like at the expense of more active tissue.
- scoliosis — an abnormal lateral curvature of the spine.
- selenosis — a poisoned condition caused by selenium, occurring esp in livestock as a result of the natural presence of selenium in plants and soil
- semiramis — a legendary Assyrian queen, the wife of Ninus and founder of Babylon, noted for her wisdom and beauty.
- serositis — inflammation of a serous membrane.
- serpentis — genitive of Serpens.
- shacharis — Shaharith.
- siderosis — a disease of the lungs caused by inhaling iron or other metallic particles.
- silicosis — a disease of the lungs caused by the inhaling of siliceous particles, as by stonecutters.
- sinusitis — inflammation of a sinus or the sinuses.
- sparassis — cauliflower fungus.
- splenitis — inflammation of the spleen
- st. denis — Saint, died a.d. c280, 1st bishop of Paris: patron saint of France.
- st. louis — Saint, 1214?–70, king of France 1226–70.
- steatosis — the abnormal accumulation of fat within a cell or organ