10-letter words containing e, r, o, s, i
- arterioles — Plural form of arteriole.
- artichokes — Plural form of artichoke.
- arytenoids — Plural form of arytenoid.
- ascaridole — a liquid, C 10 H 16 O 2 , constituting the active principle of chenopodium oil, used chiefly as a catalyst in polymerization reactions.
- ascigerous — of or relating to asci.
- asgeirsson — Asgeir [ahs-gair] /ˈɑs gɛər/ (Show IPA), 1894–1972, Icelandic statesman: president 1952–68.
- aside from — Aside from means the same as apart from. This form is more usual in American English.
- asperation — The act of asperating; a making or becoming rough.
- aspersions — disparaging or malicious remarks; slanderous accusations
- aspersoria — Plural form of aspersorium.
- assertions — Plural form of assertion.
- assertoric — (of a statement) stating a fact, as opposed to expressing an evaluative judgment
- asteroidal — relating to asteroids
- asteroidea — the class comprising the starfishes.
- atrocities — acts of extreme cruelty, esp against prisoners or civilians in wartime
- auriferous — (of rock) containing gold; gold-bearing
- auriscopes — Plural form of auriscope.
- authorised — Alternative spelling of authorized.
- authorises — Third-person singular simple present indicative form of authorise.
- authorizes — Third-person singular simple present indicative form of authorize.
- aversation — (obsolete) A turning from with dislike; aversion.
- bandoliers — Plural form of bandolier.
- behaviours — manner of behaving or acting.
- belorussia — historical region in central Europe corresponding to present-day Belarus
- bergsonism — the philosophy of Henri Bergson, which emphasizes duration as the basic element of experience and asserts the existence of a life-giving force that permeates the entire natural order
- berlusconi — Silvio (ˈsilvjo). born 1936, Italian politician and media tycoon: prime minister of Italy (1994–95, 2001–06, 2008–11); convicted of tax fraud and expelled from the Italian Senate in 2013
- billposter — a person who is employed to stick advertising posters to walls, fences, etc
- biodiverse — containing a wide variety of plant and animal species
- biometrics — that branch of biology which deals with its data statistically and by mathematical analysis
- bioprocess — a method or operation of preparing a biological material, especially a product of genetic engineering, for commercial use.
- bioreserve — an area preserving wildlife, landforms, and waterways while providing appropriate public use and enjoyment of a natural environment.
- biospheric — relating to the biosphere
- biosurgery — the use of live sterile maggots to treat patients with infected wounds
- bird louse — any of an order (Mallophaga) of small, wingless insects with biting mouthparts, that live as external parasites on birds
- birostrate — having two beaks or beak-like projections
- birthstone — a precious or semiprecious stone associated with a month or sign of the zodiac and thought to bring luck if worn by a person born in that month or under that sign
- board side — the broad side of a piece of lumber.
- boilersuit — a one-piece work garment consisting of overalls and a shirt top usually worn over ordinary clothes to protect them
- bois brule — métis (def 2).
- bois-brûlé — a mixed-race person of Canadian Indian and White (usually French Canadian) ancestry; Métis
- boisterous — Someone who is boisterous is noisy, lively, and full of energy.
- bolstering — a long, often cylindrical, cushion or pillow for a bed, sofa, etc.
- boosterish — designed to boost business; optimistic
- boosterism — the practice of actively promoting a city, region, etc, and its local businesses
- bordelaise — denoting a brown sauce flavoured with red wine and sometimes mushrooms
- boringness — the quality of being boring
- boris bike — any bicycle rented out by London's public bicycle hire scheme
- boundaries — something that indicates bounds or limits; a limiting or bounding line.
- bounderish — having the qualities of a bounder
- bourgeoise — a female bourgeois