rex is 3 letter word starts with r and ends with x. 4 different words can be made using letters r e x
Anagram is meaningful word made after rearranging all the letters of rex. According to Wikipedia;
An anagram is direct word switch or word play, the result of rearranging the letters of a word or phrase to produce a new word or phrase, using all the original letters exactly once; for example, the word anagram can be rearranged into "nag a ram".
Any word or phrase that exactly reproduces the letters of rex in different order is called anagram of rex. Anagrams were very popular since ancient times and it was considered great art between writers and poets.
There are 4 words that you can make using letters in rex. You can make 1 x 3 letter words and 3 x 2 letter words out of letters in rex.