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The Komo–Bira languages are part of the Bantu languages coded Zone D.20–30 in Guthrie's classification, specifically D.21, D.22, D.23, D.31, D.32. According to Nurse & Philippson (2003), they form a valid node; the rest of D.20 include the Lega–Holoholo languages, while the rest of the D.30 languages are not related to each other, apart from a close Budu–Ndaka group.

Komo–Bira
Komoic
Ethnicity	Bira–Kumu
Linguistic classification	Niger–Congo? Atlantic–Congo Benue–Congo Southern Bantoid Bantu (Zone D.20–30) Boan? Komo–Bira
Glottolog	komo1265

The Komo–Bira languages are:

• Komo (D.23)
• Bali (D.21), ?Beeke
• Biran (Bira–Amba): Amba (Kwamba), Bhele (Piri), Bila (Kango/Sua), Bera (Bira), Kaiku

In addition, Nurse & Philippson report that Bati–Angba (Bwa) languages may be included. The resulting family is called Boan. In the Boan proposal, however, Komo and Bali are the most divergent languages, and Bati–Angba is not a distinct branch, so Boan is technically a synonym for Komo–Bira.

Footnotes

References

• Nurse, Derek; Philippson, Gérard, eds. (2003). The Bantu languages. London: Routledge. ISBN 9780700711345.

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