Change of sound/meaning in a predictable phonetic environment is called?

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Change of sound/meaning in a predictable phonetic environment is called? Answer: Assimilation

Assimilation is a phonological process in which a speech sound changes to become more like a neighboring sound in a predictable phonetic environment. This change makes pronunciation easier and more natural. For example, the prefix in- becomes im- before p, b, or m, as in impossible and imbalance.

Question context

This question is part of 🗣️ Verbal Ability within the broader 🧠 Aptitude Mastery subject and appears in the FPSC Federal Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.