"Rex" is a Latin equivalent of "king." The Latin word is a masculine noun. Latin has no definite articles ("the"). But the singular indefinite article would be "unus" ("a, one"). The pronunciation is...
"Reges" is a Latin equivalent of "the kings."The Latin word is a masculine noun. Latin has no definite articles ("the"). So "reges" actually may mean "the kings" as well as "kings."The pronunciation...