12-letter words containing a, c, k, n
- hearken back — to go back in thought or speech; revert; hark back
- in the black — lacking hue and brightness; absorbing light without reflecting any of the rays composing it.
- inside track — the inner, or shorter, track of a racecourse.
- jack-a-dandy — dandy (def 1).
- jacket crown — a type of artificial, tooth-colored dental crown made of acrylic or porcelain
- jackson hole — a valley in NW Wyoming, near the Teton Range: wildlife preserve.
- jacksonville — a seaport in NE Florida, on the St. John's River.
- jickajogging — the act of moving in a jogging or rolling motion
- john hancock — Herbert Jeffrey ("Herbie") born 1940, U.S. jazz pianist and composer.
- jumping jack — a toy consisting of a jointed figure that is made to jump, move, or dance by pulling a string or stick attached to it.
- 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.
- kachina doll — a Hopi Indian doll carved from cottonwood root in representation of a kachina and given as a gift to a child or used as a household decoration.
- kanchenjunga — a mountain in S Asia, between NE India and Nepal, in the E Himalayas: third highest in the world. 28,169 feet (8586 meters).
- karyokinetic — Of or pertaining to karyokinesis.
- keep company — a number of individuals assembled or associated together; group of people.
- kelvin scale — William Thomson, 1st Baron, 1824–1907, English physicist and mathematician.
- keratinocyte — An epidermal cell that produces keratin.
- ketoconazole — a synthetic substance, C 26 H 28 Cl 2 N 4 O 4 , used to treat a variety of fungal infections.
- 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.
- kick against — If you kick against a situation you dislike but cannot control, you react against it in a violent, sudden, or extreme way.
- kinaesthetic — Alternative form of kinesthetic.
- kinchinjunga — Kanchenjunga.
- kinesiatrics — the treatment of disease by the use of gymnastics or muscle exercises
- kinesipathic — of or relating to kinesipathy
- king's peace — (in early medieval England) the protection secured by the king for particular people or places
- kitchen salt — coarse salt that is used in cooking but not at the table
- kitchen soap — heavy-duty soap intended for use in the kitchen
- kitchenwares — Plural form of kitchenware.
- kittikachorn — Thanom [thah-nom] /θɑˈnɒm/ (Show IPA), 1911–2004, Thai army officer and statesman: premier 1963–73.
- kleptomaniac — a person who has kleptomania.
- knee-capping — Knee-capping is the act of shooting someone in the knee and is carried out by some terrorist organizations as a form of punishment.
- knick-knacks — Knick-knacks are small objects which people keep as ornaments or toys, rather than for a particular use.
- knock around — to strike a sounding blow with the fist, knuckles, or anything hard, especially on a door, window, or the like, as in seeking admittance, calling attention, or giving a signal: to knock on the door before entering.
- knuckle ball — a slow pitch that moves erratically toward home plate, usually delivered by holding the ball between the thumb and the knuckles of the first joints of the first two or three fingers.
- knuckleballs — Plural form of knuckleball.
- knuckleheads — Plural form of knucklehead.
- kona cyclone — a slow-moving cyclone occuring during the winter over the subtropical Pacific Ocean.
- lake jackson — a town in S Texas.
- lake lucerne — a lake in central Switzerland: fed and drained chiefly by the River Reuss. Area: 115 sq km (44 sq miles)
- lancet clock — a mantel clock having a case formed like an acutely pointed arch.
- leathernecks — Plural form of leatherneck.
- lincoln park — a city in SE Michigan.
- linseed cake — a cake or a mass made by expressing the oil from linseed, used chiefly as feed for cattle.
- lip-smacking — tasty, mouth-watering
- locker plant — an establishment for storing food under refrigeration, containing lockers for renting to individual users.
- look askance — glance sidelong or with suspicion
- mackintoshes — Plural form of mackintosh.
- magnetic ink — ink containing particles of a magnetic material used for printing characters for magnetic character recognition
- make certain — ensure
- markov chain — a Markov process restricted to discrete random events or to discontinuous time sequences.