Which linguistic technique involves creating a brand name that mimics the sound associated with the product, enhancing brand recognition through sound symbolism?

Brand recognition in linguistics is a fascinating field where language science meets marketing strategy. Companies invest significantly in creating names that are phonetically pleasing, memorable, and culturally appropriate across global markets. Linguistic consultants analyze phonological patterns, morpheme combinations, and semantic associations to craft brand names that resonate with target audiences. How well do you understand the linguistic principles behind some of the world's most successful brand names?

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Onomatopoeia (e.g., 'Zoom' for video conferencing, 'Sizzler' for restaurants)
Portmanteau (e.g., 'Instagram' combining 'instant' and 'telegram')
Backronym (e.g., 'SOS' later interpreted as 'Save Our Souls')
Semantic transparency (e.g., 'PayPal' clearly indicating payment function)