| Form. | ||
| Amis | ciwciw | baby chick, baby bird |
| Puyuma | pa-s<al>iwsiw | noise made by cheeping (as by baby chicks looking for their mother) |
| siwsiw-an | chicks, small birds | |
| siwsiw | to cheep | |
| WMP | ||
| Itbayaten | siwsiw | baby chick |
| Pangasinan | siwsíw | chick |
| Ayta Abellan | hiwhiw | chick |
| Hanunóo | sisíw | chick |
| Murut (Tagol) | sisiw | baby chick |
| Proto-Minahasan | sisi | chicken (baby fowl) |