Proto-Yupik: *ciluɣ ~ *culuɣ, *culuk=juɣ-
Meaning: feather 1, wing 2, body hair 3, dorsal fin 4
Russian Meaning: перо 1, крыло 2, пух 3, спинной плавник 4
Sirenik: sīlǝ́x 1
Chaplino: silúk (ɣǝt) 1
Naukan: sulúk 1
Alutiiq Alaskan Yupik: culuk 1
Chugach (AAY): KP culuk 2, 3, culuxsūn 4
Koniag (AAY): culuk 2, 3
Chugach (Birket-Smith): suluxpuạq 'kelp, cod'
Central Alaskan Yupik: culuk 'quill', 4, culuksuk, culuksuɣun 'spine, backbone, hanging decoration on parka'
Nunivak (Peripheral): tculu* 1
Comparative Eskimo Dictionary: 92
