Proto-Bantu *ìkʊ́mì

→ Hausa goma (cognate)

→ Kamba ikumi (inherited)

→ Kikuyu ikũmi (inherited)

→ Southern Ndebele itjhumi (inherited)

→ Northern Sotho lesome (inherited)

→ Rwanda-Rundi icumi (inherited)

→ Shona gumi (inherited)

→ Swazi lishumi (inherited)

→ Sotho leshome (inherited)

→ Swahili kumi (inherited)

→ Tsonga khume (inherited)

→ Venda fumi (inherited)

→ Xhosa ishumi (inherited)

→ Zulu ishumi (inherited)