[3pt14159]

The (seemingly obstinate) answer is that they are different characters. The Russian H sounds like an N in English.

If you're transcribing a conversation at the UN and there is a mix of different languages the fact that "Het" is transcribed as a latin character set is information. Het may be a southern American group of people, or it could just be a Russian dude saying "no", even if it looks the same.

I understand that we're still burdened by intralanguage homonyms, but I appreciate the fact that it isn't complicated further.