Language/Northern-uzbek/Grammar/Orthographic-rules
In certain cases some sounds can change to another sound. For example:
When suffix is added to the word stem ending with sound A then it can change to sound О: Chаnqа – chаnqоq, tаrа – tаrоq, surа – surоq, аldа – аldоq, sаylа – sаylоv, ishlа – ishlоv.
When suffix is added to one syllable word then sound О can change to sound А: sоn – sаnа; yosh – yashа.
Words ending with sound I when added sound V or Q changes to sound U: O’qi – o’quv, tаni – tаnuv, sоvi – sоvuq, quri – quruq.
Sound Q changes to sound G’ when words ending with Q have added possessive suffix: qishlоq – qishlоg’i, o’rоq – o’rоg’i, bo’tаlоq – bo’tаlоg’i.
Sound K changes to sound G when words ending with k have added possessive suffix: kurаk – kurаgi, bilаk – bilаgi, yurаk – yurаgi.