11-letter words containing a, u, c, k, l
- unshockable — not able to be shocked
- untrackable — a structure consisting of a pair of parallel lines of rails with their crossties, on which a railroad train, trolley, or the like runs.
- vapour lock — a stoppage in a pipe carrying a liquid caused by a bubble of gas, esp such a stoppage caused by vaporization of the petrol in the pipe feeding the carburettor of an internal-combustion engine
- whalesucker — a large, blue remora, Remora australis, that attaches itself to whales and dolphins.