and pronunciation differ. These are not sociolectic differences per se. As Agha states, "Some lexical contrasts are due to the phonological difference (e.g., R makes more consonantal and vocalic distinctions than B), while others are due to the morphological difference (e.g., difference in plural suffixes and certain verb inflections) between two varieties.

Diglossia

The chart below gives an example of diglossia in Arabic-speaking nations and

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