Several people have recently asked me if Logos has a pronunciation guide for BIG English words like names of people and places. Currently no. However, here is a simple site I use to help with pronunciation:
http://netministries.org/Bbasics/bwords.htm
Keep in mind, once you open this website, you can drag the URL from your web browser to the Logos Shortcuts bar! Now when you are reading in Zechariah 12.11 and need help with Hadadrimmon, just click the new Shortcut icon!