Xylophone, xray,
Xavier
The use of the indefinite articles 'a' and 'an' is determined by the beginning sound of the word, not specifically a vowel or a consonant. Pronouncing the letter X (as well as the letters F, H, L, M, and N) is sounded as 'ex', the beginning sound is the 'e...'. So we say:an Fan Han Lan Man Nan X
Items beginning with an "i" include:iglooinsectinletislanditinerary
four letter words beginning wih d are: Dart
5 letter words beginning with g ending with L:grillgrowl
X-rayXenonXeroxSince the question asked for "three-letter" words beginning with "X", how about "xis"?
A four letter word beginning with C and ending with X is crux.
There is no synonym for awesome beginning with the letter x.
There is no country beginning with the letter "x"
There are no countries with the letter X as the second letter. There are also no countries beginning with the letter X.
x-ray
x-ray
No country begins with the letter X.
There are none.
xola
Xanadu.
There are none.