Quote Originally Posted by shikamaru View Post
Only difference is spelling.
I suspect the former is the British spelling while the latter is the American.
you might want to check into what Dallas presented on Angela's call about the BAR card requirements changing in 1939 (I think he said '39)

from there I discovered an easy way to comprehend these two words.

"I dont endorse my wifes spending habits but I do indorse the checks to pay for it."

Ive also seen it used in a way to suggest it interchangeable but now I can spot that trap.