He has a course on them at coursera that is pretty good.
I've wondered about ay and shy, but figured it's just coincidence.
My Thai is not that good. Probably only 500 words or so and my accent is terrible. But I am unclear about ay and shy. Can you give me a clue?
Plus I wasn't asserting that they were similar because they came from some 'proto-language' I was just making an observation that very, very different languages had some words that sounded rather similar and I thought it interesting.
Mare - Mother or often in English Ma
Pore - Father or again often Pa
Fi - fire
Those are the only non-loan words that overlap that I've come across
It is interesting that there are any words in common of course
All life evolves by the differential survival of replicating entities. -- Dawkins