This study explores the phenomenon of alliteration of phonemes, emphasizing its structural, cognitive, and stylistic roles in language. The research examines the use of repeated initial consonant sounds in poetry, prose, advertising, and spoken discourse, highlighting their effects on rhythm, aesthetic appeal, memory retention, and audience engagement. The study combines literary analysis, phonological description, and insights from cognitive linguistics to demonstrate the enduring relevance of alliteration in both traditional and modern communication. The findings indicate that alliteration enhances emotional expression, stylistic richness, and mnemonic effectiveness, making it a versatile and powerful linguistic tool.