12-letter words that end in s
- by any means — in any way possible; at all; somehow
- by the balls — so as to be rendered powerless
- cacophonious — cacophonous
- cactoblastis — a moth, Cactoblastis cactorum of South America, that was introduced into Australia to act as a biological control on the prickly pear
- caenogenesis — the development of structures and organs in an embryo or larva that are adaptations to its way of life and are not retained in the adult form
- calculations — Plural form of calculation.
- calibrations — Plural form of calibration.
- calisthenics — Calisthenics are simple exercises that you can do to keep fit and healthy.
- call letters — Call letters are the letters and numbers which identify a person, vehicle, or organization that is broadcasting on the radio or sending messages by radio.
- call to arms — a command to report for active military duty.
- callisthenes — c360–327 b.c, Greek philosopher: chronicled Alexander the Great's conquests.
- calorimeters — Plural form of calorimeter.
- calumniators — Plural form of calumniator.
- calycoideous — calycoid
- camaraderies — comradeship; good-fellowship.
- camelopardus — a faint extensive constellation in the N hemisphere close to Ursa Major and Cassiopeia
- camiknickers — women's knickers attached to a camisole top
- camp springs — a city in central Maryland, near Washington, D.C.
- can of worms — a complicated problem
- canary grass — any of various grasses of the genus Phalaris, esp P. canariensis, that is native to Europe and N Africa and has straw-coloured seeds used as birdseed
- candlefishes — Plural form of candlefish.
- candlesticks — Plural form of candlestick.
- canine corps — a military or law enforcement body which uses dogs for the detection of explosives or drugs or for security, tracking, etc
- cankeredness — spitefulness or crabbedness
- cannabinoids — Plural form of cannabinoid.
- canned goods — tinned food produce
- cannibalizes — Third-person singular simple present indicative form of cannibalize.
- canorousness — The quality of being musical.
- cantankerous — Someone who is cantankerous is always finding things to argue or complain about.
- canterburies — Plural form of canterbury.
- canting arms — a coat of arms making visual reference to the surname of its owner
- canvas shoes — soft shoes with a canvas upper
- capabilities — the quality of being capable; capacity; ability: His capability was unquestionable.
- capacitances — Plural form of capacitance.
- cape agulhas — a headland in South Africa, the southernmost point of the African continent
- capillaceous — having numerous filaments resembling hairs or threads
- capital loss — A capital loss is a loss on investment property.
- capitularies — Plural form of capitulary.
- captiousness — The state of being captious.
- car expenses — incidental money spent on the operation of a car during the performance of a job, commission, etc, usually reimbursed by an employer or allowable against tax
- carbocations — Plural form of carbocation.
- carbonaceous — of, resembling, or containing carbon
- carbonatites — Plural form of carbonatite.
- cardinalates — Plural form of cardinalate.
- cardiographs — Plural form of cardiograph.
- carefreeness — without anxiety or worry.
- carelessness — not paying enough attention to what one does: a careless typist.
- carnivourous — Misspelling of carnivorous.
- carpet grass — either of two grasses, Axonopus affinis or A. compressus, native to tropical and subtropical America.
- carpet tiles — small pieces of carpeting laid as tiles to cover a floor