12-letter words containing no
- prolegomenon — a preliminary discussion; introductory essay, as prefatory matter in a book; a prologue.
- pronouncedly — strongly marked: a pronounced fishy taste.
- pronouncings — utterances, esp of an official or judgmental nature
- prothonotary — a chief clerk or official in certain courts of law.
- psychognosis — the use of hypnosis to study mental phenomena
- psychonomics — the study of the individual mind in relation to its environment
- pyrognostics — the characteristics of a mineral, such as fusibility and flame coloration, that are revealed by the application of heat
- pythonomorph — any of various large extinct marine reptiles of the former order Pythonomorpha
- quadrinomial — consisting of four terms.
- quadrumanous — four-handed; having all four feet adapted for use as hands, as monkeys.
- quarter note — a note equivalent to one fourth of a whole note; a crotchet.
- quasi-normal — conforming to the standard or the common type; usual; not abnormal; regular; natural.
- race norming — the process of statistically adjusting the scores of minority job applicants on job-qualification tests by rating each test-taker's score against the results of others in his or her racial or ethnic group.
- rachmaninoff — Sergei Wassilievitch [sur-gey vuh-seel-yuh-vich;; Russian syir-gyey vuh-syee-lyi-vyich] /sɜrˈgeɪ vəˈsil yə vɪtʃ;; Russian syɪrˈgyeɪ vʌˈsyi lyɪ vyɪtʃ/ (Show IPA), 1873–1943, Russian pianist and composer.
- rappahannock — a river flowing SE from N Virginia into the Chesapeake Bay: Civil War battle 1863. 185 miles (300 km) long.
- red nose day — a fund-raising day on behalf of the British charity organization Comic Relief, which culminates in a live telethon on BBC One
- renomination — an act or instance of nominating, especially to office: The floor is open for nomination of candidates for the presidency.
- renounceable — of a nature that can be renounced
- renouncement — to give up or put aside voluntarily: to renounce worldly pleasures.
- renovascular — of or relating to the blood vessels of the kidneys.
- renownedness — celebrated; famous.
- retinotectal — of or relating to the retina and the tectum
- reverse snob — a person overly proud of being one of or sympathetic to the common people, and who denigrates or shuns those of superior ability, education, social standing, etc.
- reynoldsburg — a town in central Ohio.
- rhinocerical — of or relating to the rhinoceros
- rhinorrhagia — an extreme nosebleed
- rhinorrhoeal — of or relating to rhinorrhoea
- ring knocker — a commissioned officer in the U.S. armed forces who is a graduate of a military academy.
- running knot — a knot made around and so as to slide along a part of the same rope, thus forming a noose (running noose) that tightens as the rope is pulled.
- sanguinolent — of or relating to blood.
- sarcoadenoma — adenosarcoma.
- satanophobia — a morbid fear of the devil or Satan
- scarlatinoid — resembling scarlatina or its eruptions.
- scenographic — the art of representing objects in accordance with the rules of perspective.
- schizogenous — schizogenetic.
- schizogonous — pertaining to or reproducing by schizogony.
- scrutinously — in a scrutinous manner
- selenography — the branch of astronomy that deals with the charting of the moon's surface.
- self-honored — honesty, fairness, or integrity in one's beliefs and actions: a man of honor.
- semi-nomadic — of, relating to, or characteristic of nomads.
- semiautonomy — the quality or state of being semiautonomous.
- serotaxonomy — the study of the taxonomy of proteins using serological methods
- serpentinous — of the nature of serpentine; containing or consisting of serpentine
- serve notice — to give formal warning or information, as of intentions; announce
- shavano peak — a mountain in central Colorado, in the S Sawatch Range, in the Rocky Mountains. 14,229 feet (4337 meters).
- short notice — little warning
- shovel-nosed — having the head, snout, or beak broad and flat like the blade of a shovel.
- sindonophany — the periodic exhibiting to the public of the shroud that the body of Christ is thought to have been wrapped in
- sine qua non — an indispensable condition; requisite.
- sino-tibetan — a family of languages including especially Burmese, Tibetan, and the various local languages and dialects whose speakers share literary Chinese as their standard language.