12-letter words containing f, e, r, l, s, a
- soft release — a means of gradually accustoming wild animals to a new environment before releasing them into it
- soprano clef — a sign locating middle C on the bottom line of the staff.
- space-filler — a short article of little or no importance written to fill space in a magazine or newspaper
- sprachgefuhl — a sensitivity to language, especially for what is grammatically or idiomatically acceptable in a given language.
- starter flat — a compact flat marketed by price and size specifications to suit the requirements of first-time home buyers
- state flower — a flower chosen as an official symbol of a U.S. state.
- streamer fly — an artificial fly having a wing or wings extending beyond the crook of the fishhook.
- strike fault — a fault that trends parallel to the strike of the strata that it offsets.
- sulfarsenide — any compound containing an arsenide and a sulfide.
- 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
- surface mail — the system, especially a government postal system, of sending mail by truck, train, or boat, as opposed to airmail.
- telesoftware — the transmission of computer programs on a teletext system
- thunderflash — a pyrotechnic device which is noisy, but not dangerous, and which is used in military exercises
- 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.
- trans female — a person who was born male but whose gender identity is female.
- transferable — to convey or remove from one place, person, etc., to another: He transferred the package from one hand to the other.
- treble staff — a staff, bearing a treble clef.
- ultraleftist — ultraleft.
- unsufferable — insufferable; intolerable
- wrathfulness — The quality of being wrathful; wrath.