12-letter words that end in a
- fennoscandia — region in N Europe, including Scandinavia, Finland, and the part of NW Russia west of the White Sea
- fianarantsoa — a city in E central Madagascar.
- fibroadenoma — a benign tumor originating from glandular tissue, as in the female breast.
- fibromyalgia — a syndrome characterized by fatigue and chronic pain in the muscles and in tissues surrounding the joints.
- fibrosarcoma — a sarcoma derived from fibroblast cells, often able to generate collagen.
- flame azalea — an azalea, Rhododendron calendulaceum, of the eastern U.S., having yellow, orange, or scarlet flowers.
- flow breccia — a volcanic breccia that has solidified from a lava flow.
- foraminifera — any chiefly marine protozoan of the sarcodinian order Foraminifera, typically having a linear, spiral, or concentric shell perforated by small holes or pores through which pseudopodia extend.
- fortified pa — a Māori hilltop dwelling with trenches and palisades for defensive occupation
- fowl cholera — a specific, acute, diarrheal disease of fowls, especially chickens, caused by a bacterium, Pasteurella multocida.
- francophilia — Alternative capitalization of Francophilia.
- francophobia — the phenomenon of hating French speakers, culture, or people
- frank stella — Frank (Phillip) born 1936, U.S. painter.
- french india — the five small former French territories in India, including Chandernagor, Karikal, Pondicherry, and Yanaon on the E coast, and Mahé on the W coast.
- fused silica — glass made entirely from silica, having a very low rate of thermal expansion.
- galactorrhea — an abnormally abundant flow of milk in a lactating woman.
- galactosemia — an inherited disorder characterized by the inability to metabolize galactose and requiring a galactose-free diet to avoid consequent mental retardation and eye, spleen, and liver abnormalities.
- gamma camera — a medical apparatus that detects gamma rays emitted from a person's body after the administration of a radioactive drug and so produces images of the organ being investigated
- garam masala — an aromatic mixture of ground spices used in Indian cookery, usually containing black pepper, cardamom, cinnamon, cloves, coriander, nutmeg, and turmeric.
- garcia lorca — Federico [fed-uh-ree-koh;; Spanish fe-th e-ree-kaw] /ˌfɛd əˈri koʊ;; Spanish ˌfɛ ðɛˈri kɔ/ (Show IPA), 1899–1936, Spanish poet and dramatist.
- gastrectasia — (medicine) dilation of the stomach.
- get the idea — understand
- glioblastoma — A highly invasive glioma in the brain.
- glossophobia — The fear of public speaking.
- gran canaria — one of the Canary Islands, in the central part. 650 sq. mi. (1685 sq. km). Capital: Las Palmas.
- grand bahama — an island in the NW Bahamas. 430 sq. mi. (1115 sq. km).
- graphophobia — Fear or dislike of writing.
- green iguana — the common iguana (Iguana iguana)
- guardianista — a reader of the Guardian newspaper, seen as being typically left-wing, liberal, and politically correct
- gulf of riga — a large deep bay on the Baltic Sea
- gutta-percha — the milky juice, nearly white when pure, of various Malaysian trees of the sapodilla family, especially Palaquium gutta.
- gynecomastia — abnormal enlargement of the breast in a male.
- hagia sophia — flourished 6th century a.d, Byzantine engineer. He was one of the architects of Hagia Sophia; (originally an Orthodox cathedral and currently a museum in Istanbul, Turkey).
- half-cup bra — a bra that covers three-quarters of the breasts rather than all of the breasts
- halobacteria — Plural form of halobacterium.
- hare krishna — a religious sect based on Vedic scriptures, whose followers engage in joyful congregational chanting of Krishna's name: founded in the U.S. in 1966.
- hasta manana — so long; (I'll) see you tomorrow
- heimskringla — a book of the 13th century narrating the history of the kings of Norway by Snorri Sturluson.
- hemangiomata — See under angioma.
- hematochezia — the passage of bloody stools.
- hematophobia — Fear of bleeding or the sight of blood.
- heroic drama — Restoration tragedy, especially that popular in England c1660–1700, using highly rhetorical language and written in heroic couplets.
- herpetofauna — the reptiles and amphibians that inhabit a given area
- heterophobia — Fear or resentment of what is different.
- heterophoria — a latent strabismus of one or both eyes.
- heteroplasia — the replacement of normal cells by abnormal cells, as in cancer.
- hidrocystoma — An adenoma of the sweat glands.
- higashiosaka — a city on S Honshu, in Japan, W of Osaka.
- histiocytoma — A tumour consisting of histiocytes.
- homologumena — the books in the New Testament generally held as authoritative and canonical by the early church.