12-letter words containing a, o, u, i
- recuperation — to recover from sickness or exhaustion; regain health or strength.
- reevaluation — an act or instance of evaluating or appraising.
- refoundation — an act of refounding
- regulation t — (in the U.S.) a federal law governing the amount of credit that may be advanced by brokers and dealers to customers for the purchase of securities on margin.
- regulation u — (in the U.S.) a federal law governing the amount of credit that may be advanced by a bank for the purchase of listed securities.
- rejuvenation — to make young again; restore to youthful vigor, appearance, etc.: That vacation has certainly rejuvenated him.
- remuneration — the act of remunerating.
- renaturation — the process of returning proteins to their original state
- renunciation — an act or instance of relinquishing, abandoning, repudiating, or sacrificing something, as a right, title, person, or ambition: the king's renunciation of the throne.
- renunciatory — an act or instance of relinquishing, abandoning, repudiating, or sacrificing something, as a right, title, person, or ambition: the king's renunciation of the throne.
- reoccupation — a person's usual or principal work or business, especially as a means of earning a living; vocation: Her occupation was dentistry.
- repopularize — to make popular: to popularize a dance.
- repopulation — the total number of persons inhabiting a country, city, or any district or area.
- reputational — the estimation in which a person or thing is held, especially by the community or the public generally; repute: a man of good reputation.
- reregulation — renewed regulation, the act or process of regulating again
- restauration — restoration
- resupination — a resupinate condition.
- resuscitator — a person or thing that resuscitates.
- retail group — a group of companies under single ownership, which sell goods to individual customers
- reticulation — a reticulated formation, arrangement, or appearance; network.
- retrolingual — situated behind or near the base of the tongue.
- rhizocarpous — having the root perennial but the stem annual, as perennial herbs.
- rhizophagous — feeding on roots.
- ribonuclease — any of the class of enzymes that catalyze the hydrolysis of RNA.
- road haulier — a person who owns or works for a road haulage company; a trucker
- ruralization — to make rural.
- russian doll — wooden figures that nest inside one other
- russian zone — a zone in Germany controlled by the Soviet Union 1945–89.
- sacrilegious — pertaining to or involving sacrilege: sacrilegious practices.
- sago pudding — a sweet pudding made with sago and milk
- sail through — If someone or something sails through a difficult situation or experience, they deal with it easily and successfully.
- salutational — relating to salutation
- salutatorian — (in some U.S. schools and colleges) the student ranking second highest in the graduating class, who delivers the salutatory at commencement.
- salutatorium — a porch or room in a monastery or church serving as a meeting or almsgiving place for monks or priests and the laity.
- salutiferous — salutary.
- samurai bond — a bond issued in Japan and denominated in yen, available for purchase by nonresidents of Japan
- sanguicolous — living in the blood, as a parasite.
- sanguiferous — conveying blood, as a blood vessel.
- sanguinolent — of or relating to blood.
- sanguivorous — feeding on blood, as a bat or insect.
- sansculottic — relating to sansculottes
- sapindaceous — belonging to the Sapindaceae, the soapberry family of plants.
- saronic gulf — an inlet of the Aegean, on the SE coast of Greece, between Attica and the Peloponnesus. 50 miles (80 km) long; 30 miles (48 km) wide.
- scitamineous — of or relating to the Scitimanae order of plants, which includes the ginger and banana plants
- scouring pad — a small pad, as of steel wool or plastic mesh, used for scouring pots, pans, etc.
- scrobiculate — furrowed or pitted.
- scrophularia — a member of a genus of flowering plants which have a square stem and are known as figworts
- scutellation — a scutellate state or formation; a scaly covering, as on a bird's foot.
- semi-popular — regarded with favor, approval, or affection by people in general: a popular preacher.
- semiautonomy — the quality or state of being semiautonomous.