9-letter words containing o, n, t, a, s
- endoblast — Entoblast.
- entoblast — Any of the embryonic blastomeres that develop into the endoderm.
- equations — Plural form of equation.
- esperanto — Esperanto is an invented language which consists of parts of several European languages, and which was designed to help people from different countries communicate with each other.
- exactions — Plural form of exaction.
- falconets — Plural form of falconet.
- fixations — Plural form of fixation.
- flagstone — Also called flag. a flat stone slab used especially for paving.
- flatirons — Plural form of flatiron.
- fontanels — Plural form of fontanel.
- foscarnet — a drug used to treat herpes viruses
- fountains — Plural form of fountain.
- fractions — Mathematics. a number usually expressed in the form a/b. a ratio of algebraic quantities similarly expressed.
- frontages — Plural form of frontage.
- frontalis — A muscle of the head, sometimes considered to be part of the occipitofrontalis muscle.
- frontlash — an action or opinion that is in reaction to a backlash.
- fructosan — any of the class of hexosans, as inulin and the like, that yield fructose upon hydrolysis.
- gallstone — an abnormal stonelike mass, usually of cholesterol, formed in the gallbladder or bile passages.
- galveston — a seaport in SE Texas, on an island at the mouth of Galveston Bay.
- gestation — the process, state, or period of gestating.
- gladstone — William Ewart [yoo-ert] /ˈyu ərt/ (Show IPA), 1809–98, British statesman: prime minister four times between 1868 and 1894.
- gnostical — pertaining to knowledge.
- goatskins — Plural form of goatskin.
- gravitons — Plural form of graviton.
- graystone — (uncountable) A type of gray, volcanic rock, typically containing feldspar and iron.
- gustation — the act of tasting.
- gyrations — Plural form of gyration.
- hailstone — a pellet of hail.
- halftones — Plural form of halftone.
- hamiltons — Plural form of hamilton.
- hansetown — Hansa (def 3).
- hardstone — (arts) precious stone or semi-precious stone used to make intaglio, mosaics etc.
- harmonist — a member of a celibate religious sect that emigrated from Germany to Pennsylvania in 1803.
- hartshorn — the antler of a hart, formerly used as a source of ammonia.
- have-nots — people who are very poor
- hawthorns — Plural form of hawthorn.
- headnotes — Plural form of headnote.
- headstone — a stone marker set at the head of a grave; gravestone.
- heptagons — Plural form of heptagon.
- himations — Plural form of himation.
- historian — an expert in history; authority on history.
- hoarstone — A stone designating the bounds of an estate; a landmark.
- homestand — (baseball) A series of games played at a team's home field.
- horntails — Plural form of horntail.
- hortensia — Hydrangea.
- hostaging — a person given or held as security for the fulfillment of certain conditions or terms, promises, etc., by another.
- hot pants — (used with a plural verb) very brief and usually tight-fitting shorts for women and girls, first popularized in the early 1970s.
- houstonia — any North American plant, belonging to the genus Houstonia, of the madder family, especially H. caerulea, the common bluet.
- hyponasty — increased growth along the lower surface of a plant or plant part, causing it to bend upward.
- ideations — Plural form of ideation.