The number of words that end with the letter "x" varies by language and context, but in English, there are several hundred such words, including common ones like "box," "fox," and "complex." Many of these words are borrowed from other languages, particularly in scientific and technical terminology. The exact count can change as new words are created and others fall out of use.
There are many words that end with the letter x such as borax, apex, fix, sphinx, fox, crux and onyx. However, there are no words that end with the letter RX.
meninx singular of meninges
syntax
Onyx
Jinx
Xerox
jinx
xerographically
Ajaxflaxcoaxhoaxflexplexapex.
xerographically
Windex
sex, suffix Six