Zambia Urban dwellers sometimes differentiate between urban and rural dialects of the same language by prefixing the rural languages with 'deep'. Most will thus speak Bemba and Nyanja in the Copperbelt; Nyanja is dominantly spoken in Lusaka and Eastern Zambia. English is used in official communications and is the language of choice at home among – now common – intertribal families. This continuous evolution of languages has led to Zambian slang which can be heard in daily life throughout Lusaka and other major cities. Portuguese has been introduced into the school curriculum due to the presence of a large Portuguese-speaking Angolan
Kaonde language of people who are identified by a common language known as kiiKaonde. This group of people, like many others in Zambia, was originally part of the Luba Kingdom. They migrated south to area surrounding a stream called Kaonde in river Congo basin. From there, the people migrated into what is now Northwestern Zambia. This group of people called their language kiiKaonde. Speakers of other Bantu languages use the prefix "chi" other than "kii" to refer to this language. Thus non-Kaondes sometimes call the language Kikaonde. Like other Bantu languages, Kaonde nouns are grouped into several semantic classes, ranging from those