Ibex?
oryx
No country ends with the letter X.
A three letter word that ends in the letter x could be the word Hex. A hex is a witches curse or spell.
No, there is no word in the English language that starts and ends with the letter "x."
anthrax
t-rex
appendix.
phlox
Unfix is a 5 letter word. It begins with U and ends with X.
x-raying
Texter
Latex is a 5 letter word. It begins with L and ends with X.