13-letter words containing g, y, r, a, t, o
- rotary engine — an engine, as a turbine, in which the impelling fluid produces torque directly rather than by acting upon reciprocating parts.
- rotary plough — an implement with a series of blades mounted on a power-driven shaft, used to break up soil or weeds
- saint gregory — Saint (Hildebrand) c1020–85, Italian ecclesiastic: pope 1073–85.
- significatory — serving to signify
- spectrography — a spectroscope for photographing or producing a representation of a spectrum.
- sporting lady — a prostitute.
- stalagmometry — measurement of drops of liquid using a staktometer
- staying power — ability or strength to last or endure; endurance; stamina.
- steganography — the practice of concealing messages in such a way that only the sender and the recipient know that there is a message
- strong safety — the defensive back assigned to cover the area across from the strong side of the opponent's offensive line and primarily responsible for defending against pass plays.
- sugar factory — a factory which refines sugar from organic sources into a form that can be used in cooking etc
- tansy ragwort — a European composite plant, Senecio jacobaea, naturalized in North America, having numerous yellow flowers.
- taylor's gold — a variety of pear from New Zealand
- thanatography — an account or story of a person's death experience
- thremmatology — the science of breeding or propagating animals and plants under domestication.
- thyroid gland — a two-lobed endocrine gland, located at the base of the neck that secretes two hormones that regulate the rates of metabolism, growth, and development.
- timothy grass — a coarse grass, Phleum pratense, having cylindrical spikes, used as fodder.
- transmisogyny — discrimination or prejudice against transgender women.
- typographical — of or relating to typography.
- unforgettably — impossible to forget; indelibly impressed on the memory: scenes of unforgettable beauty.
- unoriginality — the quality or state of being original.
- working party — A working party is a committee which is formed to investigate a particular situation or problem and to produce a report containing its opinions and suggestions.