Parallelism of the Kypchak and Oguz components in the northern group of dialects of the Azerbaijani language

The article deals with the parallelism of the features of the Kipchak and Oghuz languages in northern dialects. For example, in the Kipchak language ‘ata’ in Oghuz Turkish ‘baba’; the word ‘yazı’ in the Kipchak language, in the Oghuz Turkish language ‘yazı’; in the Kipchak language the word ‘çağırmaq’ in Oghuz Turkish as ‘demək’. The article also speaks of language facts in the works of Codex Cumanicus, Book of Dede Korkut, in which the facts of the Kipchak and Oghuz languages are combined.