8-letter words containing m, o, s, a, i
- cramoisy — of a crimson colour
- daimones — disembodied souls
- diamonds — one of the four suits in an ordinary pack of cards bearing red lozenge-shapes symbols
- dioramas — Plural form of diorama.
- diplomas — Plural form of diploma.
- docimasy — the close examination of a person or substance in order to determine nature, quality and characteristics, formerly used to describe the evaluation of aspirants for public office or citizenship in Ancient Greece, now used of assaying metallic ores
- donatism — (Christianity) An early Christian belief which maintained that apostate priests were incapable of administering the sacraments, as opposed to the orthodox view that any sacrament administered by a properly ordained priest or bishop is valid, regardless of how sinful he is or if he has converted to another religion.
- dysosmia — an impairment of the sense of smell.
- episomal — (biology) Pertaining to an episome or DNA fragments not contained within a chromosome.
- fibromas — Plural form of fibroma.
- foamiest — Superlative form of foamy.
- foilsman — a person who fences with a foil.
- gasiform — having the form of gas; gaseous.
- hemiolas — Plural form of hemiola.
- hoistman — someone who operates a hoist
- hyposmia — A reduced ability to smell and to detect odours.
- infamous — having an extremely bad reputation: an infamous city.
- insomnia — inability to obtain sufficient sleep, especially when chronic; difficulty in falling or staying asleep; sleeplessness.
- insuloma — a benign tumor of the insulin-secreting cells of the pancreas that may produce signs of hypoglycemia.
- iotacism — the conversion of other vowel sounds, especially in Modern Greek, into (ē), the sound of iota.
- isangoma — Alternative form of sangoma.
- isanomal — a line on a map or chart connecting points having an equal anomaly of a meteorological quantity.
- isochasm — a line on a map or chart connecting points where auroras are observed with equal frequency.
- isogamic — isogamous
- isograms — Plural form of isogram.
- isonomia — Equality before the law; possession of equal rights; equal distribution of rights and privileges.
- japonism — something typically Japanese.
- laborism — a political theory favoring the dominance of labor in the economic and political life of a country.
- laconism — laconic brevity.
- laminose — laminate; laminar.
- laminous — laminate; laminose.
- lampions — Plural form of lampion.
- limassol — a seaport in S Cyprus: Phoenician ruins.
- limmasol — a seaport in S Cyprus: Phoenician ruins.
- localism — a word, phrase, pronunciation, or manner of speaking that is peculiar to one locality.
- loyalism — a person who is loyal; a supporter of the sovereign or of the existing government, especially in time of revolt.
- machismo — a strong or exaggerated sense of manliness; an assumptive attitude that virility, courage, strength, and entitlement to dominate are attributes or concomitants of masculinity.
- machoism — having or characterized by qualities considered manly, especially when manifested in an assertive, self-conscious, or dominating way.
- madisons — Plural form of madison.
- mahonias — Plural form of mahonia.
- maillots — Plural form of maillot.
- mailouts — an act or instance of mailing out a quantity of letters, circulars, or the like; mailing.
- mailshot — Bulk advertising sent through the post/mail.
- malisons — Plural form of malison.
- manitous — Plural form of manitou.
- mansions — Plural form of mansion.
- mao suit — an outfit worn in the People's Republic of China consisting of a Mao jacket and loose trousers.
- mariposa — any lily of the genus Calochortus, of the western U.S. and Mexico, having tuliplike flowers of various colors.
- masaccio — (Tommaso Guidi) 1401–28? Italian painter.
- masoning — Present participle of mason.