LIQUEFIABLE is a 11 letter word that starts with L.
\Liq"ue*fi`a*ble\ (l[i^]k"w[-e]*f[imac]`[.a]*b'l), a. [Cf. F. liqu['e]fiable. See {Liquefy}.] Capable of being changed from a solid to a liquid state.
WordNet Dictionary