9-letter words that end in a
- indianola — a town in central Iowa.
- indochina — a peninsula in SE Asia, between the Bay of Bengal and the South China Sea, comprising Vietnam, Cambodia, Laos, Thailand, W Malaysia, and Burma (Myanmar).
- indonesia — East Indies (def 1).
- influenza — Pathology. an acute, commonly epidemic disease, occurring in several forms, caused by numerous rapidly mutating viral strains and characterized by respiratory symptoms and general prostration. Compare flu.
- infomania — Impairment of concentration caused by frequent response to text messages, e-mails, and other forms of digital communication.
- infusoria — Irregular plural form of infusorium.
- interdata — (company) A computer manufacturer. Interdata became Perkin-Elmer, then Concurrent.
- iphigenia — Classical Mythology. the daughter of Agamemnon and Clytemnestra and sister of Orestes and Electra: when she was about to be sacrificed to ensure a wind to take the Greek ships to Troy, she was saved by Artemis, whose priestess she became.
- irda data — (standard) (IrDA-D) Infrared standards from IrDA. IrDA Data is designed for data transfer over a distance of up to 1 metre, acting as a point-to-point cable replacement. Several IrDA Data standards exist, supporting data rates from 9600 bps - 50 Mbps, namely SIR, FIR, and VFIR. See also IrDA Control, AIR.
- irish sea — a part of the Atlantic between Ireland and England.
- irredenta — a region that is under the political jurisdiction of one nation but is related to another by reason of cultural, historical, and ethnic ties.
- irridenta — a region that is ethnically or historically tied to one country, but which is ruled by another
- ischaemia — local deficiency of blood supply produced by vasoconstriction or local obstacles to the arterial flow.
- iseikonia — a condition in which a person sees the same image in both eyes
- islomania — an obsessional enthusiasm or partiality for islands
- ismailiya — a branch of Shiʿism, including in its number the Assassins and the Druses, having an esoteric philosophy and asserting Ismaʿil to be the seventh divinely inspired imam in the succession from Ali.
- ispaghula — dietary fibre derived from the seed husks of Plantago orata and used as a thickener or stabilizer in the food industry
- izinyanga — Plural form of inyanga.
- jacaranda — any of various tropical trees belonging to the genus Jacaranda, of the catalpa family, having showy clusters of usually purplish flowers.
- jambalaya — a dish of Creole origin, consisting of rice cooked with ham, sausage, chicken, or shellfish, herbs, spices, and vegetables, especially tomatoes, onions, and peppers.
- jettatura — a curse of the evil eye, whereby all that the cursed looks upon will suffer bad luck
- jicarilla — a member of a group of North American Indians who once inhabited primarily northern New Mexico and southeastern Colorado and are situated in northwestern New Mexico.
- jinriksha — A two-wheeled carriage pulled along by a person.
- jujitsuka — A practitioner of any type of jujitsu/jujutsu martial arts, except judo.
- juvenilia — (literature, plural only) Works produced during an artist's or author's youth.
- jyvaskyla — a city in S central Finland.
- kadaitcha — Alternative form of kurdaitcha.
- kadiyevka — former name of Stakhanov.
- kaffraria — a region in the S Republic of South Africa: inhabited mostly by the Xhosa.
- kagoshima — a seaport on S Kyushu, in SW Japan.
- kahikatea — A tall coniferous New Zealand tree used for its timber and resin. Its seeds, which are borne on conspicuous red stems, were formerly eaten by the Maoris.
- kai moana — seafood
- kaikawaka — a small pyramid-shaped New Zealand conifer, Libocedrus bidwillii, with pinkish bark and red wood
- kakotopia — Alternative form of cacotopia.
- kali yuga — the fourth and present age of the world, full of conflict and sin.
- kallithea — a city in E Greece, a suburb of Athens.
- kamchatka — a peninsula in the NE Russian Federation in Asia, extending S between the Bering Sea and the Sea of Okhotsk. 750 miles (1210 km) long; 104,200 sq. mi. (269,880 sq. km) wide.
- kampuchea — People's Republic of, a former official name of Cambodia.
- kapa haka — the traditional Māori performing arts, often performed competitively
- karaganda — a city in central Kazakhstan.
- karankawa — a member of an extinct tribe of North American Indians who lived in southeastern Texas until the mid 19th century.
- karnataka — a state in S India. 70,051 sq. mi. (191,791 sq. km). Capital: Bengaluru.
- karsavina — Tamara [tuh-mah-ruh] /təˈmɑ rə/ (Show IPA), 1885–1978, Russian dancer.
- kaskaskia — a river in E central Illinois, flowing SW to the Mississippi River. 320 miles (515 km) long.
- kayibanda — Grégoire [grey-gwahr;; French grey-gwar] /greɪˈgwɑr;; French greɪˈgwar/ (Show IPA), 1924–76, president of the Republic of Rwanda 1962–73.
- ketonemia — the presence of ketone bodies in the blood.
- ketonuria — the presence of ketone bodies in the urine.
- khouribga — a city in W central Morocco.
- kirghizia — a republic in central Asia, S of Kazakhstan and N of Tadzhikistan (Tajikistan). 76,460 sq. mi. (198,500 sq. km). Capital: Bishkek.
- kirinyaga — the local name of Mount Kenya