Consonantal Change in Middle English
There are two groups of consonants affected by the change.
1. Consonants that change their pronunciation.
The sound [x] existing in Middle English was represented by writing h or gh in initial or final position.
Ex.| riht (OE) > right (ME)
In final position there is a strange development and the [x] sound becomes an [f]. Ex.| rough, enough, laugh, tough
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