12-letter words containing o, f, s, a, l
- powder flask — a small flask of gunpowder formerly carried by soldiers and hunters.
- professional — following an occupation as a means of livelihood or for gain: a professional builder.
- professorial — a teacher of the highest academic rank in a college or university, who has been awarded the title Professor in a particular branch of learning; a full professor: a professor of Spanish literature.
- protest flag — a flag hoisted by a racing yacht to advise the judges of a violation of the rules by another yacht.
- reform flask — an English salt-glazed stoneware flask of the early 19th century formed as an effigy of one of the figures connected with the Reform Bill of 1832.
- rotflmaoastc — (chat) Rolling on the floor laughing my ass (or arse) off and scaring the cat. The superlative form of ROTFL.
- sale of work — a sale of goods and handicrafts made by the members of a club, church congregation, etc, to raise money
- sales office — the office or room of the department of a company responsible for selling its goods or services
- salification — to form into a salt, as by chemical combination.
- salutiferous — salutary.
- sand-floated — noting an exterior wall finish composed of mortar rubbed with sand and floated when it has partly set.
- 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.
- satin-flower — a Californian plant, Clarkia amoena, of the evening primrose family, having cup-shaped pink or purplish flowers blotched with red.
- self-command — self-control.
- self-loading — noting or pertaining to an automatic or semiautomatic firearm.
- self-storage — noting or pertaining to a warehouse or other facility that rents units to people for storing personal possessions.
- semifloating — noting or pertaining to a driving axle of an automobile or the like, the inner end of which is carried by the differential gear and the outer end of which is keyed to a wheel supported by the axle housing.
- semiofficial — having some degree of official authority.
- several-fold — comprising several parts or members.
- shuffleboard — a game in which standing players shove or push wooden or plastic disks with a long cue toward numbered scoring sections marked on a floor or deck.
- silk factory — plant where silk fabric is produced
- sloop of war — (formerly) a sailing or steam naval vessel having cannons on only one deck.
- slumpflation — a situation in which economic depression is combined with increasing inflation
- small-format — A small-format store is one in which a large retail chain offers only part of their range in a smaller store.
- soft landing — space vehicle
- soft release — a means of gradually accustoming wild animals to a new environment before releasing them into it
- softheadedly — in a soft-headed manner
- solway firth — an arm of the Irish Sea between SW Scotland and NW England. 38 miles (61 km) long.
- soprano clef — a sign locating middle C on the bottom line of the staff.
- spiflication — rough treatment
- spongillafly — spongefly.
- stalactiform — resembling or shaped like a stalactite.
- state flower — a flower chosen as an official symbol of a U.S. state.
- subfactorial — the number of ways a group of objects can be arranged so that none of the objects are in their original or correct place
- sulfonylurea — any of a group of oral drugs, as tolbutamide, that stimulate the pancreas to secrete more insulin, used to treat diabetes
- superfrontal — a piece of cloth placed over an altar and frontal and hanging down a few inches over the front of the altar
- synchroflash — of or relating to photography employing a device that synchronizes the photoflash with the shutter.
- telesoftware — the transmission of computer programs on a teletext system
- thousandfold — having a thousand elements or parts.
- to hold fast — If you hold something fast, you hold it tightly and firmly. If something is stuck fast, it is stuck very firmly and cannot move.
- to lose face — If you lose face, you do something which makes you appear weak and makes people respect or admire you less. If you do something in order to save face, you do it in order to avoid appearing weak and losing people's respect or admiration.
- to play safe — If you play safe or play it safe, you do not take any risks.
- tonic sol-fa — a system of singing characterized by emphasis upon tonality or key relationship, in which tones are indicated by the initial letters of the syllables of the sol-fa system rather than by conventional staff notation.
- trace fossil — a fossilized track, trail, burrow, boring, or other structure in sedimentary rock that records the presence or behavior of the organism that made it.
- world's fair — a large international exposition with exhibitions of arts, crafts, industrial and agricultural products, scientific achievements, etc.
- world-famous — famous throughout the world: a world-famous film.
- worst of all — You say worst of all to indicate that what you are about to mention is the most unpleasant or has the most disadvantages out of all the things you are mentioning.