13-letter words containing a, l, g, o, i, s
- surgical boot — a specially designed boot or shoe that compensates for deformities of the foot or leg
- syllogistical — relating to a syllogism
- syringomyelia — a disease of the spinal cord in which the nerve tissue is replaced by a cavity filled with fluid.
- telediagnosis — the detection of a disease by evaluating data transmitted to a receiving station from instruments monitoring a distant patient, as someone in a spacecraft.
- thanatologist — a person who engages in the academic study of death and dying
- unambiguously — plainly, clearly
- undiagnosable — unable to be diagnosed
- ustilagineous — belonging to the Ustilaginales, an order of fungi that cause plant disease
- vaccinologist — the science of vaccine development.
- volcanologist — the scientific study of volcanoes and volcanic phenomena.
- wages council — (formerly, in Britain) a statutory body empowered to fix minimum wages in an industry; abolished in 1994
- wagon soldier — a field-artillery soldier.
- walking horse — Tennessee walking horse.
- wallcoverings — Plural form of wallcovering.
- wellingtonias — Plural form of wellingtonia.
- whitlow grass — any of various plants of the genera Draba and Erophila, once thought to cure whitlows: family Brassicaceae (crucifers)
- wool classing — the grading and grouping together of similar types of wool
- working class — those persons working for wages, especially in manual labor.
- world-shaking — of sufficient size or importance to affect the entire world: the world-shaking effects of an international clash.