Does an “M” Sound Round to You?

They are just nonsense words, but for decades bouba and kiki have been studied by linguists, who are fascinated by the way they convey meaning across a broad spectrum of languages. Beginning as far back as the 1920s, study after study has demonstrated that children and adults, regardless of the languages they speak, match the words bouba and malumi with round shapes and kiki and takete with spiky shapes. Why this is so has remained a puzzle. In most words, consonants and vowels do not have any inherent link to meaning. The “o” in “octagon,” for example, is not naturally connected to eight-sided shapes. So what could possibly be special about bouba and kiki?

Scientists now have a partial answer: consonants seem to carry significance apart from the words they help to form. In a recent study of 71 French speakers published in the journal Language and Speech, researchers in Europe led by Mathilde Fort of the École Normale Supérieure in Paris showed that people consistently matched b, m and l words with round shapes and k and t words with spiky shapes, regardless of the vowels they are combined with. On the face of it, this result suggests that bouba and kiki may be similar to English onomatopoeic words such as “crash” and “crunch,” where the consonants supply a sound-symbolic meaning of noisy impact, regardless of the vowels. The difference would be that b, m and l supply their meanings in many languages, not just in English, as do k and t.

Read more: Scientific American

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