13-letter words containing y, o, g, h
- synchronology — combined chronology
- thanatography — an account or story of a person's death experience
- theologically — of, relating to, or involved with theology: a theological student.
- thremmatology — the science of breeding or propagating animals and plants under domestication.
- thyroglobulin — a protein which is found in the thyroid gland and which contains iodine
- 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.
- typographical — of or relating to typography.
- unneighbourly — unfriendly and unhelpful
- uprighteously — in an upright or moral manner
- wrongheadedly — In a wrongheaded manner.
- xylographical — Xylographic.
- yorkshire fog — a common tufted grass, Holcus lanatus, having downy leaves and flower heads that are white or pink and branched, with spikelets carrying the flowers
- zhao kuangyin — Chao K'uang-yin.
- zoophysiology — the physiology of animals as opposed to humans
- zoopsychology — the psychology of animals
- zygapophyseal — one of the four processes of a vertebra, occurring in pairs that interlock each vertebra with the vertebrae above and below.