Dialects is in many languages in the world, and Yoruba language is not an exemption.
Interaction, cohabitation and intermarriage with other ethnic groups caused dialects in Yoruba language.
Yorubas maintained long term relationship with:
Benin
Baruba
Tapa (nupe)
Egun
These ethnic groups influenced Yoruba language leading to dialects.
For instance Yorubas of Ondo state accommodated and have long term relationship with the people of Benin kingdom and Ijaw. This affected the way they speak their Yoruba
