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12-letter words ending in X

Every match in the dictionary, most common first.

12-letter words 4

  • pneumothoraxabnormal presence of air in the pleural cavity resulting in the collapse of the lung; may be spontaneous (due to injury to the chest) or induced (as a treatment for tuberculosis)
  • portmanteauxa new word formed by joining two others and combining their meanings
  • heteroduplex
  • hypercomplex