9-letter words containing o, h, a
- hawk moth — any of numerous moths of the family Sphingidae, noted for their very swift flight and ability to hover while sipping nectar from flowers.
- hawksmoor — Nicholas, 1661–1736, English architect.
- haworthia — any of various succulent plants of the genus Haworthia, native to South Africa, having densely overlapping, often warty leaves clustered in rosettes.
- hawsehole — a hole in the stem or bow of a vessel for an anchor cable.
- hawthorne — Nathaniel, 1804–64, U.S. novelist and short-story writer.
- hawthorns — Plural form of hawthorn.
- hawthorny — resembling or characterized by hawthorns
- hay shock — a haycock.
- haycation — A vacation stay on a farm, in which guests often help out with daily farm tasks.
- hazardous — full of risk; perilous; risky: a hazardous journey.
- hazelwood — a town in E Missouri.
- head cold — a form of the common cold characterized especially by nasal congestion and sneezing.
- head shop — a shop selling paraphernalia of interest to drug users or associated with the use of drugs.
- head tone — (in singing) a vocal tone so produced as to bring the cavities of the nose and head into sympathetic vibration.
- head-load — baggage or goods arranged so as to be carried on the heads of African porters
- headboard — a board forming the head of anything, especially of a bed.
- headcanon — (fandom slang) Elements and interpretations of a fictional universe accepted by an individual fan, but not found within or supported by the official canon.
- headcloth — any cloth for covering the head, as a turban or wimple.
- headcount — The act of counting how many people are present in a group.
- headlocks — Plural form of headlock.
- headnotes — Plural form of headnote.
- headphone — Audio. a headset designed for use with a stereo system.
- headshots — Plural form of headshot.
- headstock — the part of a machine containing or directly supporting the moving or working parts, as the assembly supporting and driving the live spindle in a lathe.
- headstone — a stone marker set at the head of a grave; gravestone.
- headwords — Plural form of headword.
- hear from — receive news, correspondence from sb
- heartsome — giving cheer, spirit, or courage: a heartsome wine.
- heartsore — heartsick.
- heartwood — the hard central wood of the trunk of an exogenous tree; duramen.
- heartworm — a parasitic nematode, Dirofilaria immitis, transmitted by mosquito and invading the heart and pulmonary arteries of dogs, wolves, and foxes throughout its range in tropical, subtropical and, more recently, temperate regions around the world.
- heat loss — the loss of heat from something such as a building
- heat-moon — William Least [leest] /list/ (Show IPA), (William Trogden) born 1939, U.S. writer.
- heatproof — not affected or damaged by heat, especially when placed in an oven or over a direct flame: heatproof cookware.
- heavy ion — the nucleus of a heavy element.
- heavy oil — a hydrocarbon mixture, heavier than water, distilled from coal tar
- hebdomads — Plural form of hebdomad.
- hecatombs — Plural form of hecatomb.
- hectogram — a unit of mass or weight equal to 100 grams, equivalent to 3.527 ounces avoirdupois. Abbreviation: hg.
- hektogram — a unit of mass or weight equal to 100 grams, equivalent to 3.527 ounces avoirdupois. Abbreviation: hg.
- helgoland — a German island in the North Sea. ¼ sq. mi. (0.6 sq. km).
- heliconia — any of a genus of tropical flowering plants with long flowering panicles
- heliogram — a message sent by a heliograph.
- heliostat — an instrument consisting of a mirror moved by clockwork, for reflecting the sun's rays in a fixed direction.
- heliozoan — a protozoan of the order Heliozoa, having a spherical body and radiating pseudopods.
- hell of a — (intensifier)
- hematomas — (US) Plural form of hematoma (Alternative spelling of haematomas).
- hematosis — hematopoiesis.
- hematozoa — Plural form of hematozoon.
- hemoblast — hematoblast.