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List of 12-letter words containing

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There are 15 twelve-letter words containing M, O, S and 3U

CIRCUMFLUOUScircumfluous adj. Circumfluent.
CIRCUMFLUOUS adj. flowing around, also CIRCUMFLUENT.
CIRROCUMULUScirrocumulus n. (Physics, meteorology) A principal high-level cloud type appearing as a thin, white patch of cloud without…
CIRROCUMULUS n. (Latin) a type of cloud.
CUMULOCIRRUSCUMULOCIRRUS n. a type of cloud.
CUMULONIMBUScumulonimbus n. (Meteorology) A cloud, with a tall structure and a flat base, that is often associated with thunderstorms.
cumulo-nimbus n. Alternative form of cumulonimbus.
CUMULONIMBUS n. a type of cloud.
EQUINUMEROUSequinumerous adj. (Mathematics) Having equal cardinality.
EQUINUMEROUS adj. having the same number of members.
MULTILOQUOUSmultiloquous adj. Very talkative.
MULTILOQUOUS adj. given to much speaking.
NEUROHUMOURSneurohumours n. Plural of neurohumour.
NEUROHUMOUR n. a neurohormone, esp. a neurotransmitter, also NEUROHUMOR.
PLUMULACEOUSplumulaceous adj. (Zoology, ornithology) Downy; bearing down.
PLUMULACEOUS adj. of or like plumulae, little feathers.
PRESUMPTUOUSpresumptuous adj. Going beyond what is right, proper, or appropriate because of an excess of self-confidence or arrogance.
PRESUMPTUOUS adj. overstepping due bounds (as of propriety or courtesy).
QUADRUMANOUSquadrumanous adj. Having four feet whose first digits are opposable; applies to all non-human primates.
QUADRUMANOUS adj. of apes, etc., with all four feet adapted for use as hands.
RUMBUNCTIOUSrumbunctious adj. Alternative spelling of rambunctious.
RUMBUNCTIOUS adj. boisterous, unruly, also RAMBUNCTIOUS.
SUBOPERCULUMsuboperculum n. (Anatomy) The lower opercular bone in fishes.
SUBOPERCULUM n. in fishes, a bone below and partly behind the gill cover.
TUMULTUOUSLYtumultuously adv. In a tumultuous manner.
TUMULTUOUS adv. full of tumult.
UNMIRACULOUSunmiraculous adj. Not miraculous; commonplace, mundane.
UNMIRACULOUS adj. not miraculous.
UNTUMULTUOUSuntumultuous adj. Not tumultuous; calm, placid.
UNTUMULTUOUS adj. not tumultuous.

Scrabble words — in black are valid world wide — in RED are not valid in North America — in GREEN are valid only in North America.
Definitions are short excerpt from the WikWik.org and 1Word.ws.

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