13-Letter Words Start with 'x'

There are 5 13-letter words that start with 'x'.

xenodiagnoses	xenodiagnosis
xerophthalmia	xerophthalmic
xylographical

Note: These 5 13-letter words that start with 'x' are found from the USA & Canada version of the tournament Scrabble word list.

Also see words start with xe, xy, xa, xi, xu.

2-letter words start with 'x' (2)
3-letter words start with 'x' (1)
4-letter words start with 'x' (1)
5-letter words start with 'x' (13)
6-letter words start with 'x' (15)
7-letter words start with 'x' (17)
8-letter words start with 'x' (20)
9-letter words start with 'x' (26)
10-letter words start with 'x' (25)
11-letter words start with 'x' (14)
12-letter words start with 'x' (8)
13-letter words start with 'x' (5)
14-letter words start with 'x' (3)
15-letter words start with 'x' (2)