Two words written in the English language, this is Mao, onkan you think means the same. But if we pronounce in Thailand, we will know the pronunciation is different.
Second, when written in English before going to Beijing together and make you think there are synonymous. If we vote in Thailand, we know that sounds different.
The two words when writing in English would like to make you think that have the same meaning. But if we pronounce in English, we know the pronunciation is different.