15-letter words containing f, l, a, s, h, t
- sheffield plate — sheet copper with a cladding of silver.
- shelikof strait — a strait between the Alaska Peninsula and Kodiak Island, in S Alaska. 130 miles (209 km) long and 30 miles (48 km) wide.
- slashdot effect — a temporary surge in the numbers visiting a website and consequent service slowdown or even server crash that sometimes arises as a result of a new link being set up from a more popular website
- sleight of hand — skill in feats requiring quick and clever movements of the hands, especially for entertainment or deception, as jugglery, card or coin magic, etc.; legerdemain.
- soft-shell clam — an edible clam, Mya arenaria, inhabiting waters along both coasts of North America, having an oval, relatively thin, whitish shell.
- soft-shell crab — a crab, especially the blue crab, that has recently molted and therefore has a soft, edible shell.
- spanish trefoil — alfalfa.
- starfish flower — carrion flower (def 2).
- strike the flag — to relinquish command, esp of a ship
- the black ferns — the women's international Rugby Union football team of New Zealand
- the classifieds — a section of classified advertising in a publication
- walking catfish — an Asian catfish, Clarias batrachus, that can survive out of water and move overland from one body of water to another: introduced into Florida.
- walnut husk fly — any of several fruit flies, as Rhagoletis completa, the larvae of which feed on and discolor walnut husks.
- yellow goatfish — a schooling goatfish, Mulloidichthys martinicus, inhabiting the Atlantic Ocean from Florida to Panama.