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Variant spellings of 'Lega' are Rega, Leka, Ileka, Kilega, Kirega. Shabunda is also known as Igonzabale, and Mwenga as Shile or Ishile. Gengele is reported to be a Shabunda-based creole.
According to Ethnologue, Bembe is part of the same dialect continuum. Nyindu is a dialect of Shi that has been heavily influenced by Lega.
Botne, Robert (2003). Lega (Beya Dialect) (D25). In Nurse, Derek and Philippson, Gérard (eds.), The Bantu Languages: London & New York: Routledge. pp. 422–449.
Masumbuko Wa-Busungu, Léopold (2019). Grammaire du kilega-lega: D25 : esquisse d'une langue bantoue de la RD Congo. Édilivre, 2019.