4.1.5 k-k-s Tuft, top; huppe, sommet |
| Kurdish | kukusetti | Hoopoe, 263 |
| Anc.Greek | kokkos | cock, 2 |
| Anc.Greek | kokkyx | coccyx; meaning of "extremity "; no relation to kokkyx Cuckoo, 261, which is of acoustic origin |
| Mod.Greek | koukkos | bonnet, hat (of cook) |
| Roman. | coco | a curved pin in the ploughshare; Solomon's seal (from the horns or warts on its rhizome); cock of a gun |
| Ital.reg. | cucòscia et var. | Crested Lark, 299 |
| Roman. | cocosul | cock, 2 |
| Czech | kokes | cock, 2 |
| Alb. | kokosh i egër | Hoopoe, 263 |
| Russian | kukuška | Hoopoe, 263 |
| Alb. | kokoshurdh | Great Crested Grebe, 66 |
| Ukr. | xoxuša | Great Crested Grebe, 66 |
| Russian | kukac | Great Crested Grebe, 66 |