Mammoth Uncensored Word List:
16 words that are 14 letters long beginning with x in the mammoth uncensored word list.

xanthochroisms xanthochromias xanthochromism xanthomelanous xanthophyllous xanthopterines xenodiagnostic xenophobically xenotransplant xerophthalmias xerophytically xeroradiograph xiphihumeralis xiphiplastrals xylopyrography xylotypography