11-letter words containing p, h, l, y
- sphagnology — the study of sphagna
- sphygmology — the study and examination of the pulse
- staphylinid — rove beetle.
- staphylitis — inflammation of the soft palate or uvula
- stylography — the art of writing, tracing, drawing, etc., with a style.
- sulphhydryl — the univalent radical group -SH
- superphylum — a category of related phyla within a kingdom.
- supply ship — vessel carrying supplies
- syphilology — the branch of medicine concerned with the study and treatment of syphilis
- syrphid fly — any of numerous beelike or wasplike flies of the family Syrphidae that feed on the nectar and pollen of flowers and have larvae that feed on decaying vegetation or prey on aphids.
- syrphus fly — any of a family (Syrphidae) of dipterous flies, many of which mimic bees or wasps: the adults feed on nectar and pollen, and the larvae of various species feed on plant lice, plants, etc.
- teletherapy — treatment in which the source of therapy is some distance from the body, as certain radiation therapies.
- thallophyte — any of the Thallophyta, a plant division in some older classification schemes, comprising algae, fungi, and lichens.
- thermopylae — a pass in E Greece, between the cliffs of Mt. Oeta and the Gulf of Lamia: Persian defeat of the Spartans 480 b.c.
- thesis play — a play that develops or defends a particular thesis.
- timbrophily — the love of stamps; stamp collecting
- triphyllous — having three leaves.
- trophically — of or relating to nutrition; concerned in nutritive processes.
- tyroglyphid — a tick or mite of the family Tyroglyphidae
- unhelpfully — in a manner that does not help
- unhopefully — in an unhopeful manner
- up-helly-aa — a midwinter festival held in January in Shetland; originally a fire festival, but now a celebration of Shetland's Norse heritage, involving the ceremonial burning of a newly built Viking ship
- welsh poppy — a poppy, Meconopsis cambrica, of western Europe, having pale-green, slightly hairy foliage and pale-yellow flowers.
- xanthophyll — lutein (def 1).
- xylographed — Simple past tense and past participle of xylograph.
- xylographer — A person who makes xylographs.
- xylographic — Of or pertaining to xylographs.
- xylophagous — Feeding on wood. (of insects etc.).
- xylophilous — Living on or in wood, as some fungi and beetles do.
- xylophonist — A person who plays or performs with the xylophone.