11-letter words containing o, p, y
- grey plover — the black-bellied plover.
- gymnophobia — An inordinate fear or hatred of being naked, and possibly nudity or nudists and naturists.
- gymnosperms — Plural form of gymnosperm.
- gymnospermy — The property of being gymnospermous.
- gynecopathy — any disease occurring only in women.
- gypsiferous — containing gypsum.
- gyrocompass — a navigational compass containing a gyroscope rotor, that, when adjusted for the latitude and speed of the vessel or aircraft, indicates the direction of true north along the surface of the earth or communicates this information to one or more gyro repeaters.
- haemoptysis — (British spelling) alternative spelling of hemoptysis.
- hagiography — the writing and critical study of the lives of the saints; hagiology.
- handyperson — a person who is practiced at doing maintenance work.
- haplography — the accidental omission of a letter or letter group that should be repeated in writing, as in Missippi for Mississippi.
- heliography — The scientific study of the sun.
- heliophytes — a plant that grows best in full sunlight.
- hell to pay — serious consequences, as of a foolish action
- hematophagy — The practice, of some animals, of feeding on blood.
- hematophyte — a microorganism, as a bacterium, that lives in the blood.
- hemotherapy — therapy by means of blood, serum, or plasma transfusion.
- hepatectomy — excision of part of the liver.
- hepatocytes — Plural form of hepatocyte.
- hepatoscopy — medical examination of the liver.
- heptagynous — (of a flower) having seven pistils
- herpetology — the branch of zoology dealing with reptiles and amphibians.
- heterocarpy — the production of more than one kind of fruit in one plant.
- heterophemy — The use of one word or phrase when another is meant.
- heterophony — the simultaneous performance of the same melodic line, with slight individual variations, by two or more performers.
- heterophyte — a plant that secures its nutrition directly or indirectly from other organisms; a parasite or saprophyte.
- heterospory — the production of both microspores and megaspores.
- heterotypic — of or relating to the first or reductional division in meiosis.
- hexyl group — any of five univalent, isomeric groups having the formula C 6 H 13 −.
- hieroglyphs — Plural form of hieroglyph.
- hierography — a treatise on religion or sacred things
- hippety-hop — with a hopping movement
- histography — a treatise on or description of organic tissues.
- histotrophy — A form of matrotrophy exhibited by some live-bearing sharks and rays, in which the developing embryo receives additional nutrition from its mother in the form of uterine secretions called histotroph.
- hokey-pokey — hocus-pocus; trickery.
- holiday pay — the salary a worker receives for days taken off work
- holiday rep — A holiday rep is someone employed by a holiday company to help look after people when they are on holiday.
- holophytism — the property of being holophytic
- holy spirit — the spirit of God.
- homeomorphy — the occurrence of two fossil species that appear to be similar although they are unrelated, happening as a result of convergent evolution
- homoeopathy — Alternative spelling of homeopathy.
- homophylies — Plural form of homophyly.
- homopolymer — a polymer consisting of a single species of monomer, as polyadenylic acid or polyglutamic acid.
- homotypical — (biology) homotypal.
- honey plant — any of various plants that are particularly useful in providing bees with nectar
- horseplayer — a habitual bettor on horse races.
- hospitality — the friendly reception and treatment of guests or strangers.
- house party — the guests at such an affair or party: The house party goes sailing today.
- hyalography — the technique of writing or engraving on glass.
- hydnocarpic — of or relating to hydnocarpic acid