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List of 12-letter words containing

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There are 13 twelve-letter words containing H, 2I, M, O, R and U

BEHAVIOURISMbehaviourism n. (British spelling) Standard spelling of behaviorism.
BEHAVIOURISM n. the psychological theory that behaviour is governed by conditioning rather than internal processes and that by changing behaviour patterns it is possible to treat psychological disorders, also BEHAVIORISM.
DEINOTHERIUMdeinotherium n. Alternative form of dinotherium.
DEINOTHERIUM n. an extinct elephantine mammal with downward-curving tusks, also DEINOTHERE, DINOTHERE, DINOTHERIUM.
DINOTHERIUMSdinotheriums n. Plural of dinotherium.
DINOTHERIUM n. an extinct elephantine mammal with downward-curving tusks, also DEINOTHERE, DEINOTHERIUM, DINOTHERE.
DISHUMOURINGdishumouring v. Present participle of dishumour.
DISHUMOUR v. (obsolete) to put out of humour.
DOLPHINARIUMdolphinarium n. An aquarium that houses dolphins.
DOLPHINARIUM n. a place where dolphins are kept.
HARMONIUMISTharmoniumist n. Someone who plays a harmonium.
HARMONIUMIST n. one who plays the harmonium.
IDIOTHERMOUSIDIOTHERMOUS adj. warm-blooded.
INHALATORIUMINHALATORIUM n. an institution or department for administering inhalations.
INHARMONIOUSinharmonious adj. (Music) Not in harmony; discordant.
inharmonious adj. Lacking accord or agreement.
INHARMONIOUS adj. not harmonious.
MISBEHAVIOURmisbehaviour n. (British spelling) Alternative spelling of misbehavior.
MISBEHAVIOUR n. bad behaviour, also MISBEHAVIOR.
OPHIDIARIUMSOPHIDIARIUM n. a snake-house.
PERIONYCHIUMPERIONYCHIUM n. tissue surrounding a nail.
RADIOTHORIUMradiothorium n. (Physics) The radioactive isotope thorium-228.
RADIOTHORIUM n. a radioactive isotope of thorium with the mass number 228.

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 1Word.ws and WikWik.org.

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