8-letter words that end in a
- hyponoia — a slow mental function or imagination
- hypopnea — abnormally shallow and slow breathing.
- hyposmia — A reduced ability to smell and to detect odours.
- hyrcania — an ancient province of the Persian empire, SE of the Caspian Sea.
- hysteria — an uncontrollable outburst of emotion or fear, often characterized by irrationality, laughter, weeping, etc.
- ianthina — Any of the family Janthinidae of violet snails.
- ibn sina — Arabic name of Avicenna.
- ibn-ezra — Abraham Ben Meir. 1093–1167, Jewish poet, scholar, and traveller, born in Spain
- iced tea — chilled black tea, often sweetened and flavoured with lemon juice
- icekhana — an auto-racing competition testing driving skills on a frozen lake.
- ichihara — a city in central Honshu, Japan, on Tokyo Bay.
- ichikawa — a city on E Honshu, in Japan, NE of Tokyo.
- ihimaera — Witi (ˈwɪtɪ), full name Witi Tame Ihimaera-Smiler. born 1944, New Zealand Māori novelist and short-story writer; his novels include The Whale Rider (1987) and The Uncle's Story (2002)
- incisura — (anatomy) a notch or indent.
- innovada — An object-oriented extension to Ada, said to be Lisp-like. Implemented as an Ada preprocessor.
- insalata — An Italian-style salad.
- insignia — singular of insignia.
- insomnia — inability to obtain sufficient sleep, especially when chronic; difficulty in falling or staying asleep; sleeplessness.
- insuloma — a benign tumor of the insulin-secreting cells of the pancreas that may produce signs of hypoglycemia.
- intarsia — an art or technique of decorating a surface with inlaid patterns, especially of wood mosaic, developed during the Renaissance.
- intifada — (sometimes initial capital letter) a revolt begun in December 1987 by Palestinian Arabs to protest Israel's occupation of the West Bank and Gaza Strip.
- ioannina — a city in NW Greece.
- isabella — ("the Catholic") 1451–1504, wife of Ferdinand V: queen of Castile 1474–1504; joint ruler of Aragon 1479–1504.
- isangoma — Alternative form of sangoma.
- ischemia — local deficiency of blood supply produced by vasoconstriction or local obstacles to the arterial flow.
- ischuria — Ischury.
- isegoria — Equality of all in freedom of speech.
- ismailia — a city and seaport at the midpoint of the Suez Canal, in NE Egypt.
- isonomia — Equality before the law; possession of equal rights; equal distribution of rights and privileges.
- iwo jima — one of the Volcano Islands, in the N Pacific, S of Japan: under U.S. administration after 1945; returned to Japan 1968.
- izvestia — (formerly) the official newspaper of the Soviet government.
- jacobina — a female given name.
- jajapura — Jayapura.
- janthina — Alternative form of ianthina.
- japonica — the camellia, Camellia japonica, having waxy flowers in a variety of colors.
- jararaca — A species of venomous snake found in South America, Bothrops jararaca.
- jatropha — Any of several plants, of the genus Jatropha, native to the Northern Hemisphere; some have medicinal attributes and others are grown as a source of biodiesel.
- java sea — a sea between Java and Borneo.
- javelina — See under peccary.
- jayapura — the W part of the island of New Guinea, formerly a Dutch territory: a province of Indonesia since 1963. About 159,000 sq. mi. (411,810 sq. km). Capital: Jayapura.
- jehoiada — a priest of Judah who led the revolt against Athalia. II Kings 11:1–16.
- jhabvala — Ruth Prawer, original name Ruth Prawer. 1927–2013, British writer living in India and the US, born in Germany to Polish parents: author of the Booker-prizewinning novel Heat and Dust (1975) and scripts for films by James Ivory
- jipijapa — Also called Panama-hat plant. a tropical American, palmlike plant, Carludovica palmata.
- jugurtha — died 104 b.c, king of Numidia 113–104.
- junk dna — DNA that consists of repeated sequences of nucleotide and has no apparent function
- justicia — any of numerous plants and shrubs of the genus Justicia, which includes the shrimp plant and water willow.
- justitia — the ancient Roman personification of justice.
- kabloona — a white man; a European.
- kakinada — a port city in Andhra Pradesh state, SE India.
- kakogawa — a city in S Honshu, Japan.