13-letter words containing h, y, a, l, o, g
- plethysmogram — the recording of a plethysmograph.
- plough monday — the first Monday after Epiphany, which in N and E England used to be celebrated with a procession of ploughmen drawing a plough from house to house
- polygamophile — a person who approves of or countenances polygamy, especially as practiced by others.
- polythene bag — a bag made of polythene, esp one used to store or protect food or household articles
- psychological — of or relating to psychology.
- pterylography — the description of the feather arrangement on birds
- rheologically — in a rheological manner
- rotary plough — an implement with a series of blades mounted on a power-driven shaft, used to break up soil or weeds
- splanchnology — the visceral system
- symbolography — the writing of symbolic characters or tracing of symbolic figures
- theologically — of, relating to, or involved with theology: a theological student.
- 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.
- typographical — of or relating to typography.
- wrongheadedly — In a wrongheaded manner.
- xylographical — Xylographic.
- zygapophyseal — one of the four processes of a vertebra, occurring in pairs that interlock each vertebra with the vertebrae above and below.