| Singular | labrum; lābrum |
| Plural | labra; lābra |
| Singular | labrī; lābrī |
| Plural | labrōrum; lābrōrum |
| Singular | labrō; lābrō |
| Plural | labrīs; lābrīs |
| Singular | labrum; lābrum |
| Plural | labra; lābra |
| Singular | labrō; lābrō |
| Plural | labrīs; lābrīs |
| Singular | labrum; lābrum |
| Plural | labra; lābra |