This has come up a few times.
Take a look at this answer from /u/lord_mayor_of_reddit
https://www.reddit.com/r/AskHistorians/comments/hjmar4/george_iii_and_george_washington_would_they_have/fwrvlr5/
And this one from /u/YuunofYork
https://www.reddit.com/r/AskHistorians/comments/7w4ldq/how_close_was_george_washingtons_accent_to_the/