Phonological change
Changes in pronunciation systems over time, including sound shifts, loss of sounds, and development of new phonemes.
Real World
Chaucer's 'knight' would have been pronounced 'k-nicht' with a hard /k/ and guttural /x/; both sounds have since been lost entirely, illustrating consonant deletion over time.
Exam Focus
Reference a specific sound change (e.g. loss of /x/) and link it to a recognisable word to show phonological change in action.
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