[Arnt]

Someone on a train once asked Paul Theroux whether he might help translate an American word. "Sure, what word?" "Huacha" as in this example sentence: "Huacha gonna do if the rains don come".

Counting differences between dialects involves a lot of boring questions about which contractions, changes of pronounciation or grammar etc. count and which don't. Does "I'm like" in the sense "I say" count? There are too many low-value questions to really get neat precise numbers.