Compare Proto-Kra-Dai *(C)apuj and Ainu アペ.
*Sapuy
- fire (oxidation reaction)
- Paiwan: sapuy
- Proto-Malayo-Polynesian: *hapuy
- Proto-Philippine: *hapúy
- Batanic
- Northern Luzon
- Cagayan Valley
- Northeastern Luzon
- Ilocano: apóy
- Meso-Cordilleran
- Central Luzon
- Greater Central Philippine
- Central Philippine
- Danao
- Manobo
- Barito
- Northwest Sumatra–Barrier Islands
- Lampung Api: apuy
- Proto-Malayo-Sumbawan: *apuy
- Malayo-Chamic
- Acehnese: apuy
- Proto-Malayic: *api
- Ibanic
- Banjarese: api
- Brunei Malay: api
- Malay: api
- Ambonese Malay: api
- Indonesian: api
- Minangkabau: api
- Musi: api
- Urak Lawoi': อาปี (api)
- Madurese: apoy
- Bali–Sasak
- Old Javanese: apuy
- Proto-South Sulawesi: *api
- Celebic
- Tomini-Tolitoli
- Kaili–Pamona
- Saluan–Banggai
- Chamorro: guåfi
- Palauan: ngau
- Proto-Central-Eastern Malayo-Polynesian: *apuy
- Sumba-Flores
- Timoric
- Babar
- Kei–Tanimbar
- Proto-Eastern Malayo-Polynesian: *api
- Proto-Oceanic: *api
- Central-Eastern Oceanic
- Micronesian
- Nuclear Micronesian
- Gilbertese: ai
- Kosraean: e
- Chuukic – Pohnpeic
- Vurës: ev
- Drehu: eë
- Proto-Polynesian: *afi
- Nuclear Polynesian
- Ellicean – Eastern Polynesian
- Tuvalu – Eastern Polynesian
- Eastern Polynesian – Northern Outlier
- Eastern Polynesian
- Marquesic
- Rapa Nui: ahi
- Tahitic
- Samoan-Tokelauan