Two ( Archaic ) (5)
I believe the answer is:
twain
(Other definitions for twain that I've seen before include "A pen-name" , "Mark -, pen name of S. L. Clemens" , "Two items of the same kind and well-known author" , "Mark, US writer" , "brace" .)
I believe the answer is:
twain
(Other definitions for twain that I've seen before include "A pen-name" , "Mark -, pen name of S. L. Clemens" , "Two items of the same kind and well-known author" , "Mark, US writer" , "brace" .)