only one - 'xis' which is the 14th letter of the Greek alphabet
a three leter word that starts with x is xar xgu xht xhf xhg
No, there is no word in the English language that starts and ends with the letter "x."
xylophone
xis
No word starting with the letter y contains the letter x.
xmas
xed
xeric
· Xeranthemum
xanadu
xeric
· xenophobic