12-letter words containing s, p, i, r, l, a
- tapsalteerie — topsy-turvy.
- transpirable — to occur; happen; take place.
- transponible — capable of being transposed.
- triadelphous — (of stamens) united by the filaments into three sets or bundles.
- tricephalous — with three heads
- triple-space — to type (copy) so as to leave two full spaces between lines
- triumphalism — triumphant spirit or character.
- triumphalist — Triumphalist behaviour is behaviour in which politicians or organizations celebrate a victory or a great success, especially when this is intended to upset the people they have defeated.
- trophallaxis — (among social insects) the exchange of nutriments or other secretions between members of a colony.
- tropicalised — to make tropical, as in character or appearance.
- ultraprecise — extremely accurate
- unaspiringly — in an unambitious or unaspiring manner
- unperishable — imperishable
- unscriptural — not scriptural
- uproariously — characterized by or in a state of uproar; tumultuous.
- valve spring — a helical spring used to hold closed a valve in the cylinder head of an internal-combustion engine
- vespertilian — of, relating to, or resembling a bat
- water pistol — a toy gun that shoots a stream of liquid.
- wild parsley — any of several uncultivated plants resembling the parsley in shape and structure.
- wild parsnip — a strong-smelling umbelliferous plant, Pastinaca sativa, that has an inedible root: the ancestor of the cultivated parsnip
- williamsport — a city in central Pennsylvania, on the Susquehanna River.
- wranglership — (at Cambridge University) the position of a wrangler