Why does the 'bank' in 'blood bank' avoid social taboo, unlike, say, 'blood money'?

💡 Explanation

Semantic bleaching explains why 'bank' in 'blood bank' doesn't trigger the negative associations of 'blood money,' because the original meaning is weakened by its new context. Therefore, 'blood bank' avoids the taboo, rather than phonetic equivalence or grammatical distancing, which are less relevant mechanisms in this case.

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