Hausa language
Non-native Hausa

In West Africa, Hausa's use as a lingua franca has given rise to a non-native pronunciation that differs vastly from native pronunciation by way of key omissions of implosive and ejective consonants present in native Hausa dialects, such as ɗ, ɓ and kʼ/ƙ, which are pronounced by non-native speakers as d, b and k respectively. This creates confusion among non-native and native Hausa speakers, as non-native pronunciation does not distinguish words like daidai ("correct") and ɗaiɗai ("one-by-one"). Another difference between native and non-native Hausa is the omission of vowel length in words and change in the standard tone of native Hausa dialects (ranging from native Fulani and Tuareg Hausa-speakers omitting tone altogether, to Hausa speakers with Gur or Yoruba mother tongues using additional tonal structures similar to those used in their native languages). Use of masculine and feminine gender nouns and sentence structure are usually omitted or interchanged, and many native Hausa nouns and verbs are substituted with non-native terms from local languages.

Non-native speakers of Hausa numbered more than 25 million and, in some areas, live close to native Hausa. It has replaced many other languages especially in the north-central and north-eastern part of Nigeria and continues to gain popularity in other parts of Africa as a result of Hausa movies and music which spread out throughout the region.
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