Letters that make xxxi
i, x are letters that make 'xxxi'
xxix is an anagram of 'xxxi'
xxxii, xxxiv, lxxxi are words created by adding a letter to 'xxxi'
1 possible definitions for 'xxxi'
Under this definition, xxxi is an adjective and has the following properties:
thirty-one, 31 have the same meaning as 'xxxi'
cardinal is similar to xxxi.