Background of the Study
Phonological variation is a key indicator of linguistic diversity, and Nigerian dialects, particularly Yoruba and Hausa, offer rich examples of tonal contrasts that shape communication. This study conducts a comparative analysis of the phonological features in these dialects, focusing on tone and its role in meaning differentiation. Yoruba is known for its intricate tonal system, where pitch variations carry semantic weight, while Hausa, with its own tonal nuances, reflects historical and cultural influences (Aminu, 2023). The research investigates how these tonal features are maintained and transformed across different social contexts, including formal education and everyday conversation. In doing so, it highlights the influence of regional identity on language use and examines the potential convergence or divergence of phonological patterns due to cross-cultural interactions (Ola, 2024). By comparing these two dialects, the study aims to provide a comprehensive understanding of how tonal systems operate in diverse linguistic communities and contribute to overall language evolution (Yakubu, 2025). This comparative framework not only enriches the field of phonology but also offers practical insights into language planning and educational practices in multilingual societies.
Statement of the Problem
Despite the linguistic richness of Nigerian dialects, there is insufficient comparative research on the phonological features of Yoruba and Hausa, particularly regarding tonal variation. Existing studies often treat these dialects in isolation, neglecting the potential insights gained from a side-by-side analysis (Bello, 2023). The lack of comparative data limits our understanding of how tonal systems interact, evolve, and influence communication across different linguistic communities. Moreover, this gap hampers the development of educational and language preservation strategies that accommodate the nuances of both dialects. Addressing this issue is essential for a deeper comprehension of Nigeria’s linguistic diversity and for informing policy initiatives aimed at fostering multilingual proficiency (Adesina, 2024; Musa, 2025).
Objectives of the Study
Research Questions
Significance of the Study
This study is significant as it provides a comparative perspective on Nigerian dialects, enriching our understanding of tonal variation and its communicative functions. The insights gained will inform linguistic theory, language teaching, and policy development aimed at preserving Nigeria’s diverse linguistic heritage. The comparative analysis highlights the cultural and educational implications of tonal systems, supporting more inclusive language practices (Aminu, 2023; Musa, 2025).
Scope and Limitations of the Study
This study is limited to the topic only, focusing exclusively on the phonological features of Yoruba and Hausa tones.
Definitions of Terms
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