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Hawaiian lua
Hawaiian ʻalua (link)
Hawaiian ʻelua (link)
Proto-Austronesian *duSa (inherited)
Malay lubang (cognate)
Proto-Central-Eastern Malayo-Polynesian *dua (inherited)
Proto-Oceanic *rua (inherited)
Proto-Eastern Polynesian *rua (inherited)
Proto-Nuclear Polynesian *rua (inherited)
Proto-Polynesian *rua (inherited)
Proto-Malayo-Polynesian *duha (inherited)
Proto-Eastern Malayo-Polynesian *dua (inherited)

Cebuano duha (cognate)
Hawaiian Kalua (mention)
Hawaiian kāua (compound)
Hawaiian ʻolua (compound)
Hawaiian poʻo lua (compound)
Hawaiian Kailua (mention)
Malay lubang (cognate)
Rapa Nui rua (cognate)
Tokelauan lua (cognate)
Tokelauan lua (cognate)