9-letter words containing r, o, t, s, i
- frog spit — Also, frog spittle. any of several filamentous freshwater green algae forming floating masses.
- froissart — Jean [zhahn] /ʒɑ̃/ (Show IPA), 1333?–c1400, French chronicler.
- frontalis — A muscle of the head, sometimes considered to be part of the occipitofrontalis muscle.
- frontenis — a Latin American game, resembling squash, played with rackets and a hard rubber ball on a three-walled court similar to a jai alai court.
- frontiers — Plural form of frontier.
- frontlist — a publisher's sales list of newly or recently published books, especially those of popular or ephemeral appeal.
- frontside — Denoting a maneuver in surfing and other board sports that is done counterclockwise for a regular rider and clockwise for a goofy rider.
- frontwise — Toward the front; in the direction of the front; frontward.
- frostbite — injury to any part of the body after excessive exposure to extreme cold, sometimes progressing from initial redness and tingling to gangrene.
- frostfish — either of two North American fishes, the tomcod of the Atlantic Ocean or the round whitefish, that appear when frost sets in.
- frostline — the maximum depth at which soil is frozen.
- fruitions — Plural form of fruition.
- fruticose — having the form of a shrub; shrublike.
- fruticous — (botany) fruticose.
- furiosity — Lb obsolete furiousness; fury.
- germiston — a city in S Transvaal, in the NE Republic of South Africa.
- ghostlier — Comparative form of ghostly.
- gipsywort — a hairy Eurasian plant, Lycopus europaeus, having two-lipped white flowers with purple dots on the lower lip: family Lamiaceae (labiates)
- girondist — French History. a member of a political party (1791–93) of moderate republicans whose leaders were deputies from the department of Gironde.
- godsister — The daughter of one's godparent.
- goslarite — hydrated zinc sulphate
- gravitons — Plural form of graviton.
- gritstone — A form of sedimentary rock, similar to sandstone but coarser.
- grooviest — Superlative form of groovy.
- growthist — an advocate of the importance of economic growth
- gyrations — Plural form of gyration.
- hailstorm — a storm with hail.
- harmonist — a member of a celibate religious sect that emigrated from Germany to Pennsylvania in 1803.
- haustoria — a projection from the hypha of a fungus into the organic matter from which it absorbs nutrients.
- hectorism — the character or actions of a hector
- heliports — Plural form of heliport.
- herborist — herbalist.
- hesitator — Alternative spelling of hesitater.
- heterosis — the increase in growth, size, fecundity, function, yield, or other characters in hybrids over those of the parents.
- hircosity — the quality of being like a goat
- histogram — a graph of a frequency distribution in which rectangles with bases on the horizontal axis are given widths equal to the class intervals and heights equal to the corresponding frequencies.
- historian — an expert in history; authority on history.
- historied — abounding in notable history; having an illustrious past; storied: Italy is a richly historied land.
- histories — the branch of knowledge dealing with past events.
- historify — to make something part of history or to tell the history of something
- hollister — a town in W California.
- horntails — Plural form of horntail.
- horridest — Superlative form of horrid.
- horsemint — a wild mint, Mentha longifolia, introduced into America from Europe, having spikes of lilac flowers.
- horseshit — nonsense, lies, or exaggeration.
- horsetail — Also called scouring rush. any nonflowering plant of the genus Equisetum, having hollow, jointed stems.
- hortensia — Hydrangea.
- hoteliers — Plural form of hotelier.
- howitzers — Plural form of howitzer.
- humorists — Plural form of humorist.