This is something I have often thought about - the quantity of Japanese words that are similar to Portuguese and Greek. It really bothers me.
(If it is incorrect then please take up your complaints with her but make sure not to implicate me)
(Interestingly, as so many came to Brazil from Okinawa more than a hundred years ago, they have managed to keep more of the Okinawan language than Okinawa itself, and people of Japanese origin coming back to Okinawa are helping in saving an endangered language.)