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List of 12-letter words ending with

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There are 19 twelve-letter words ending with RIUMS

APODYTERIUMS• apodyteriums n. Plural of apodyterium.
• APODYTERIUM n. an undressing-room at a Roman bath.
ASPERSORIUMS• aspersoriums n. Plural of aspersorium.
• ASPERSORIUM n. a basin for holy water.
COLUMBARIUMS• columbariums n. Plural of columbarium.
CREMATORIUMS• crematoriums n. Plural of crematorium.
• CREMATORIUM n. a place where bodies are cremated, also CREMATORY.
DINOTHERIUMS• dinotheriums n. Plural of dinotherium.
• DINOTHERIUM n. an extinct elephantine mammal with downward-curving tusks, also DEINOTHERE, DEINOTHERIUM, DINOTHERE.
EQUILIBRIUMS• equilibriums n. Plural of equilibrium.
• EQUILIBRIUM n. a state of intellectual or emotional balance.
GYMNATORIUMS• gymnatoriums n. Plural of gymnatorium.
INSECTARIUMS• insectariums n. Plural of insectarium.
• INSECTARIUM n. a place for keeping living insects, also INSECTARY.
LEPROSARIUMS• leprosariums n. Plural of leprosarium.
• LEPROSARIUM n. a hospital for lepers.
LIVERMORIUMS• LIVERMORIUM n. a transuranic element produced by bombarding curium with calcium-20 ions.
LUBRITORIUMS• lubritoriums n. Plural of lubritorium.
• LUBRITORIUM n. a place in a garage or service station where motor vehicles are lubricated.
MAGISTERIUMS• magisteriums n. Plural of magisterium.
• MAGISTERIUM n. (Latin) the teaching function of the Catholic church.
MESOTHORIUMS• mesothoriums n. Plural of mesothorium.
• MESOTHORIUM n. an old name for either of two radioactive elements.
NOTOTHERIUMS• NOTOTHERIUM n. an extinct Pleistocene rhinoceros-sized marsupial of the genus Nototherium, related to the wombats.
OPHIDIARIUMS• OPHIDIARIUM n. a snake-house.
PLANETARIUMS• planetariums n. Plural of planetarium.
• PLANETARIUM n. a model or representation of the solar system.
SCRIPTORIUMS• scriptoriums n. Plural of scriptorium.
• SCRIPTORIUM n. (Latin) a writing room, esp. of scribes in medieval monastery.
SUBDELIRIUMS• SUBDELIRIUM n. a mild or intermittent delirium.
TERMITARIUMS• termitariums n. Plural of termitarium.
• TERMITARIUM n. (Latin) a termite nest.

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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See this list for:

  • English Wiktionary: 37 words
  • Scrabble in French: 12 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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