11-letter words containing o, n, a, s, i
- lionisation — (British spelling) alternative spelling of lionization.
- litigations — the act or process of litigating: a matter that is still in litigation.
- logicalness — according to or agreeing with the principles of logic: a logical inference.
- logistician — a person who is skilled in symbolic logic.
- londonistan — an informal name for London, as considered by some people as a base for radical Islamists
- long island — an island in SE New York: the boroughs of Brooklyn and Queens of New York City are located at its W end. 118 miles (190 km) long; 12–20 miles (19–32 km) wide; 1682 sq. mi. (4356 sq. km).
- long radius — the distance from the centre of a regular polygon to a vertex
- longanimous — Long-suffering; patient; showing self-control and restraint.
- longlasting — Alternative form of long-lasting.
- louisianian — of Louisiana
- lumbaginous — relating to, or suffering from, lumbago
- machinators — Plural form of machinator.
- macintoshes — Plural form of macintosh.
- madonnawise — in the manner of a Madonna
- maggotiness — The state of being maggoty.
- maglemosian — of, relating to, or characteristic of the first Mesolithic culture of the northern European plain, adapted to forest and waterside habitats and characterized by flint axes, microliths, and bone and antler equipment used in hunting and fishing.
- magnanimous — generous in forgiving an insult or injury; free from petty resentfulness or vindictiveness: to be magnanimous toward one's enemies.
- magnificoes — Plural form of magnifico.
- magnisonant — high-sounding.
- maidenhoods — Plural form of maidenhood.
- mailpersons — Plural form of mailperson.
- main course — Nautical. a square mainsail.
- maintopmast — (nautical) The topmast of the mainmast.
- maintopsail — a topsail set on the mainmast.
- maisonettes — Plural form of maisonette.
- malposition — faulty or wrong position, especially of a part or organ of the body or of a fetus in the uterus.
- mandatories — authoritatively ordered; obligatory; compulsory: It is mandatory that all students take two years of math.
- mandolinist — One who plays the mandolin.
- manganosite — (mineralogy) An isometric-hexoctahedral mineral containing manganese and oxygen.
- manifestoes — Plural form of manifesto.
- manniferous — resulting in or producing manna
- manorialism — the manorial organization, or its principles and practices in the Middle Ages.
- manumission — the act of manumitting.
- marchioness — marquise (defs 1, 2).
- marine snow — small particles of organic biogenic marine sediment, including the remains of organisms, faecal matter, and the shells of planktonic organisms, that slowly drift down to the sea floor
- marionettes — Plural form of marionette.
- masculation — Making masculine; giving male characteristics.
- mashie iron — a club with an iron head, the face having more slope than a mid-mashie but less slope than a mashie.
- mass action — Mass action is the effect when continuously adding reactants (= substances that are used in a reaction) to a reaction causes it to generate products continuously.
- masson disk — a white disk on which a series of concentric gray circles appear to vanish intermittently when the disk is rotated, used for testing a person's fluctuation of attention and visual threshold.
- mastication — The process of chewing.
- mastigoneme — One of the lateral \"hairs\" found covering the flagella of heterokont and cryptophyte algae, believed to assist in locomotion.
- mastroianni — Marcello, 1924–96, Italian actor.
- matronising — to cause to become matronly; cause to act as, or fulfill the role of, matron.
- matronymics — Plural form of matronymic.
- mayonnaisey — Resembling mayonnaise; mayonnaiselike.
- medications — Plural form of medication.
- meditations — Plural form of meditation.
- megadontism — macrodontia.
- megaphonist — Someone who uses a megaphone.