The Austronesian Comparative Dictionary

*aka elder sibling

PWMP aka elder sibling ⇫

WMP
Casiguran Dumagat áka older sibling (reference)
Yakan s-aka to be older in age than someone else (people and domesticated animals); older brother or sister; elder sibling
Sama (Central) si-aka elder sibling
Tarakan i-aka elder sibling
Ngaju Dayak aka one’s own elder sibling of the same sex

PWMP aka-ŋ elder sibling (vocative) ⇫

WMP
Sangir aka-ŋ the older of two brothers or sisters
Sundanese aŋka-ŋ elder brother
Balinese aka-ŋ older brother or sister

PWMP aka-q elder sibling (vocative) ⇫

WMP
Kalamian Tagbanwa aka-Ɂ older sibling
Tingalan (West) pag-aka-Ɂ sibling
Tingalan (East) aka-Ɂ sibling
Tingalan (West) aka-Ɂ sibling