12-letter words containing n, a, r, k
- grass skiing — turfskiing.
- graustarkian — of, like, or characteristic of colorful, implausible, highly melodramatic and romantic situations or circumstances
- graving dock — an excavated shore dry dock for the repair and maintenance of ships.
- grayson kirk — Grayson (Louis) 1903–1997, U.S. educator: president of Columbia University 1953–68.
- greenbackism — a former political party, organized in 1874, opposed to the retirement or reduction of greenbacks and favoring their increase as the only paper currency.
- greenmarkets — Plural form of greenmarket.
- ground shark — any of various requiem sharks, especially of the genus Carcharhinus.
- ground track — the path on the earth's surface below an aircraft, missile, rocket, or spacecraft.
- handkerchief — a small piece of linen, silk, or other fabric, usually square, and used especially for wiping one's nose, eyes, face, etc., or for decorative purposes.
- hanover park — a city in NE Illinois.
- hard linking — hard link
- hard-working — industrious; zealous: a hardworking family man.
- 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.
- headshrinker — shrink (def 9).
- health drink — a drink that claims to be beneficial to health
- hearken back — to go back in thought or speech; revert; hark back
- heimskringla — a book of the 13th century narrating the history of the kings of Norway by Snorri Sturluson.
- heterokaryon — a cell containing two or more nuclei of differing genetic constitutions.
- heterokontan — of or relating to a heterokont
- high-ranking — A high-ranking person has an important position in a particular organization.
- hiking trail — a specially designated route for hikers to use
- hyperkinesia — Pathology. an abnormal amount of uncontrolled muscular action; spasm.
- infrakingdom — (taxonomy) A taxonomic category sometimes inserted below subkingdom.
- inside track — the inner, or shorter, track of a racecourse.
- iskander bey — Scanderbeg.
- jacket crown — a type of artificial, tooth-colored dental crown made of acrylic or porcelain
- jailbreaking — Present participle of jailbreak.
- jaw-breaking — Informal. a word that is hard to pronounce.
- jodrell bank — site of a radio astronomy observatory (Nuffield Radio Astronomy Laboratories) in NE Cheshire, England, that operates a 250-foot (76-meter) radio telescope.
- joking apart — seriously: said to recall a discussion to seriousness after there has been joking
- jury-packing — the practice of contriving that the majority of those chosen for a jury will be persons likely to have partialities affecting a particular case.
- k/t boundary — Cretaceous/Tertiary boundary: the time zone comprising the end of the Cretaceous and the beginning of the Tertiary periods
- kalmar sound — a strait between SE Sweden and Öland Island. 85 miles (137 km) long; 14 miles (23 km) wide.
- kangaroo dog — an Australian breed of large rough-haired dog that resembles a greyhound and is bred to hunt kangaroos
- kangaroo paw — any plant of the Australian genus Anigozanthos, resembling a kangaroo's paw, esp the red-and-green flowered A. manglesii, which is the floral emblem of Western Australia: family Haemodoraceae
- kangaroo rat — any of various small jumping rodents of the family Heteromyidae, of Mexico and the western U.S.
- karnaugh map — A Karnaugh map is a pictorial method used to minimize Boolean expressions without having to use Boolean algebra theorems.
- karyokinesis — mitosis.
- karyokinetic — Of or pertaining to karyokinesis.
- karyomapping — a technique for determining whether an embryo has inherited a genetic defect by analysing DNA taken from it and its close relatives
- katzenjammer — the discomfort and illness experienced as the aftereffects of excessive drinking; hangover.
- kendal green — a coarse woolen cloth, green in color.
- keratinocyte — An epidermal cell that produces keratin.
- keratogenous — producing horn or a horny substance.
- keratohyalin — (biology) A protein structure found in granules in the stratum granulosum of the epidermis, which may be involved in keratinization, and in Hassall corpuscles in the thymus.
- keraunograph — an instrument for recording thunderstorms by detecting the radio waves generated
- khachaturian — Aram Ilich [ar-uh m il-yich;; Russian uh-rahm ee-lyeech] /ˈær əm ˈɪl yɪtʃ;; Russian ʌˈrɑm iˈlyitʃ/ (Show IPA), 1903–78, Armenian composer.
- kind hearted — having or showing sympathy or kindness: a kindhearted woman.
- kind-hearted — having or showing sympathy or kindness: a kindhearted woman.
- kindergarden — (non-standard) misspelling of kindergarten.