9-letter words containing o, n, i, s
- assertion — a positive statement, usually made without an attempt at furnishing evidence
- assoiling — Present participle of assoil.
- assorting — Present participle of assort.
- astonying — Present participle of astony.
- atonalism — atonality.
- atonalist — a composer who composes without knowingly or being aware of alluding to a particular tone or scale
- attornies — Plural form of attorny.
- auditions — Plural form of audition.
- autolysin — any agent that produces autolysis
- aversions — Plural form of aversion.
- baboonish — resembling a baboon
- balconies — Plural form of balcony.
- baritones — Plural form of baritone.
- basilicon — any of a variety of healing ointments applied to wounds in early medicine, commonly using lard or oil, resin, and wax
- bastinado — punishment or torture in which the soles of the feet are beaten with a stick
- bastioned — Furnished with a bastion; having bastions.
- big noise — Someone who is a big noise has an important position in a group or organization.
- bilestone — gallstone.
- biocenose — a situation in which organisms live together in mutual dependence
- biogenous — the production of living organisms from other living organisms.
- bionomics — ecology (sense 1)
- biosensor — a biological device used to detect specific chemical presence
- bisection — to cut or divide into two equal or nearly equal parts.
- bisontine — relating to bison
- bisphenol — a synthetic organic compound used to make plastics and resins
- bissonata — a coarse woolen cloth constructed in plain weave and dyed black or brown, used in the manufacture of clerical vestments.
- blowiness — the quality or extent of being blowy
- boatswain — a petty officer on a merchant ship or a warrant officer on a warship who is responsible for the maintenance of the ship and its equipment
- bombasine — bombazine.
- bonilasse — an attractive young woman
- bonniness — the quality of being bonny
- bony fish — any fish of the class Osteichthyes, including most of the extant species, having a skeleton of bone rather than cartilage
- borgesian — of Jorge Luis Borges or his works
- boskiness — the quality of being bosky
- bossiness — given to ordering people about; overly authoritative; domineering.
- bostonian — a person from Boston
- botulinus — an anaerobic bacterium, Clostridium botulinum, whose toxins (botulins) cause botulism: family Bacillaceae
- bowstring — the string of an archer's bow, usually consisting of three strands of hemp
- brimstone — Brimstone is the same as sulphur.
- brimstony — of, relating to or resembling brimstone; sulphurous
- bromeosin — eosin (def 1).
- bronxites — the, a borough of New York City, N of Manhattan. 43.4 sq. mi. (112 sq. km).
- brookings — Robert Somers [suhm-erz] /ˈsʌm ərz/ (Show IPA), 1850–1932, U.S. merchant and philanthropist.
- c rations — tinned food formerly issued in packs to US soldiers
- c-section — A C-section is the same as a Caesarean.
- caesionid — (zoology) Any member of the Caesionidae.
- campesino — a Latin American rural peasant
- canoeists — Plural form of canoeist.
- canonicus — c1565–1647, Narragansett leader: yielded Rhode Island to Roger Williams 1636.
- canonised — Ecclesiastical. to place in the canon of saints.