| OC | ||
| Manam | kai | tree; to be strong, to be stubborn |
| kai-kai | firm; to be strong, to be stubborn | |
| Mbula | -keke | hard, stiff, rigid (cf. ‘tree’) |
| Bugotu | ka-kai | to be firm, steady, faithful, right |
| West Guadalcanal | ka-kai | strong |
| Wayan | kai | strong, tough, powerful; firm, rigid, stiff; hard wood |
| kai-kai | be hard, firm, rigid; strong, tough, powerful | |
| Fijian | kau-kau-a | strong, hard; strength, hardness |
| Tongan | kau-kau-a | strong, especially physically strong; burly, sturdy or robust |