About Igbo Language
According to Wikipedia.org, Igbo is a prominent language among the Igbo natives. These natives belong to the ethnic group that resides in Eastern Nigeria. This language is termed 'Igbo izugbe' and was officially adopted in 1972. The foundation of this language is based on various dialects. It includes Owerri (Isuama), Anambra (Awka) and Umuahia (Ohuhu). Many other languages are related to the Igbo language. The list includes Ika, Ukwuani, and Ogba. All these are also considered as the dialects of Igbo. There are around 42 million native speakers of Igbo. You will be surprised to see that the writing system is quite innovative. Most of it is written in Latin alphabets. It is the official language of Nigeria but is spoken by other people in the world too.
About Chichewa Language
According to Wikipedia.org, Chewa is known as Nyanja, /ˈnjændʒə/) and is a Bantu language. It is spoken in many Southern, Southeast, and East Africa. It is widely spoken in Malawi and Zambia. It is the official language of Mozambique and Zimbabwe. Chichewa is still a minority language and is not a popular language. The noun class prefix chi- is used in many other languages as well. It is called Chichewa and is spelled as Cinianja in Mozambique. In Malawi, the name of the language in Chinyanja. It changed to Chichewa in 1968 because of the insistence of President Hastings Kamuzu Banda and the Chewa people. In Zambia, the language is known as Nyanja. Chewa belongs to the language group of the Tumbuka, Sena, and Nsenga.