| Leo | Leon |
| Leon | Leon |
| Leopold | Leopold |
| Leotard | leotard |
| Leopard | leopard pard |
| Leonhard | Leonard |
| Leokadia | Leocadia |
| Leopardin | leopardess |
| Leonberger | Leonberger |
| Oleosom | spherosome |
| Galeone | galleon |
| Nukleon | nucleon |
| Napoleon | Napoleon |
| Pileolus | zucchetto |
| oleophob | oleophobic |
| Eleonore | Eleanor Elinor Eleanora Elenora |
| Kleopatra | Cleopatra |
| Leopardenhai | leopard shark |
| Nukleosom | nucleosome |
| Nukleotid | nucleotide |