Pronunciation of certain words in Somali, north vs south

[hinters]

I’ve noticed that some words in the north that have a voiced retroflex plosive, written in the modern somali alphabet as “dh” are said with an alveolar tap, “r”, in the south

Example:
adhi vs ari
gabadh vs gabar

Does anyone know how these slight pronunciation differences came to be?

 

[Jotaro Kujo]

I’ve noticed that some words in the north that have a voiced retroflex plosive, written in the modern somali alphabet as “dh” are said with an alveolar tap, “r”, in the south

Example:
adhi vs ari
gabadh vs gabar

Does anyone know how these slight pronunciation differences came to be?

Cause waqooyi malis assimilated Afar/Saho like man's when they migrated upwards from Koonfur adopting some of these assimilated folks language sounds.

 

[Based]

Southern and Central Somalis speak the real deal

 

[hinters]

Southern and Central Somalis speak the real deal

I think every dialect and difference in pronunciation is valid

 

[Dima&Damo]

Nugaal Dialect

 

[hinters]

Nugaal Dialect

I believe it is the most neutral dialect