I think there is a less mysterious explanation. There are about 500,000 words in the English language, and I have noted that between you and John Doyle all of them get used over some short period of time. It stands to reason that if you use all the words of the language there will be occasions when you use words that others have used, even simultaneously. Turn down the music from Twilight Zone.

Laughing all the way.

Peace to you both.