| Lapine | Plural | Etymology | POS | English |
| ??? | | | proper noun | Translated by Adams as "Lapine", meaning the language and religion of the rabbits. Whether Lapine actually has a word for Lapine is unknown. [From English lapin n. Rabbit fur, especially when dyed to imitate a more expensive fur.] |
| ??? | | | proper noun | The Lapine word is unknown, but Adams translates it as "bob stones" and calls it a traditional game among rabbits. |
| Crixa | | | proper noun | A crossroads, the center of Efrafa, located at the crossing point of two bridle paths. |
| Efrafa | | | proper noun | A warren founded by General Woundwort. |
| El-ahrairah | | [< Elil + hrair + rah, "Enemies Thousand Prince" or "The Prince with a Thousand Enemies".] | proper noun | The legendary rabbit folk hero. |
| *eli | | [Hypothetical reconstruction of the singular, based on the patterns of other plurals. Could, alternatively, be *ela (as in hombil from homba).] | common noun | Enemy of rabbits. |
| elil | | | common noun | Enemies of rabbits. |
| embleer | | | adjective | Stinking, as in the smell of a predator, esp. a fox. |
| fa | | [Reconstruction from Owslafa.] | common noun | Watcher? Augmentative? |
| flay | *flay | | common noun | Food, especially grass or other edible plants. |
| flayrah | | [< Flay + rah, "Food Prince" or "The Prince Of Foods".] | common noun | Lettuce, or other unusually good food. |
| Frith | | | proper noun | The sun god of the rabbits. |
| Frithrah | | [< Frith + rah, "Sun Prince" or "The Lord Sun!".] | exclamation | An exclamation. |
| fu | | | preposition | After (later than), afterwards. |
| fu inlé | | | phrase | After moonrise. |
| *hain | *hainil | [Reconstructed from Nildro-hain, "Blackbird's song".] | common noun | Meaning uncertain: either blackbird or song. Probably song. |
| hlao | *hlao-il | | common noun | Any dimple or depression formed in the grass, such as that formed by a daisy plant or a thistle, which can hold moisture. |
| Hlao | | | proper noun | The name of Pipkin in Lapine. |
| Hlao-roo | | [< Hlao + roo, diminutive.] | proper noun | A nickname of Pipkin. |
| hlessi | hlessil | | common noun | An outcast rabbit, living above ground, without a regular hole or warren. |
| homba | hombil | | common noun | A fox. |
| hrair | | | adjective | Any number over four, a great many, an uncountable number. Loosely translated as "a thousand". |
| Hrairoo | | [< Hrair + roo, diminutive.] | proper noun | The name of Fiver in Lapine, so called for being the last in a litter of five or more rabbits. |
| hraka | *hrakil | | common noun | Droppings, excretions. |
| hrududu | hrududil | | common noun | A motor vehicle such as a car or tractor. |
| *hy(z) | | [Reconstruction from Hyzenthlay.] | verb | To shine. |
| Hyzenthlay | | [< *hy(z) + *zen(th) + thlay, "Shine Dew Fur" or "Fur Shining Like Dew".] | proper noun | The name of a doe who lived in Efrafa. |
| Inlé | | | proper noun | Literally, the moon or moonrise. Figuratively, darkness, fear and death. |
| lendri | *lendril | | common noun | A badger. |
| li | *lil | | common noun | Head (body part). |
| marli | *marlil | | common noun | Literally, a doe. Figuratively, a mother. |
| m'saion | | | sentence | "We meet them." |
| narn | | | adjective | Pleasant to eat. |
| *ni | | [Reconstructed from ni-frith.] | common noun | Time? High or highest? |
| ni-frith | | [< ni, "high"? + frith, "sun".] | common noun | Noon. |
| *nildro | *nildril | [Reconstructed from Nildro-hain, "Blackbird's song".] | common noun | Meaning uncertain: either blackbird or song. Probably blackbird. |
| Nildro-hain. | | [< "Blackbird's Song".] | proper noun | The name of a doe who lived in Efrafa. |
| Owsla | | | proper noun | The strongest rabbits in a warren. The elite rulers. |
| Owslafa | | [< Owsla + fa.] | proper noun | Council Police. A term only used in Efrafa. |
| Pfeffa | *pfeffil | | common noun | A cat. |
| Rah | | | augmentative | A prince, leader or chief. Usually suffixed, dropping the 'r' when following an 'r'. |
| Roo | | | diminutive | A diminutive, usually affectionate. Suffixed. |
| sayn | *saynil | | common noun | Groundsel. |
| silf | | | adjective | Outside, not underground. |
| silflay | | [< silf + flay, "outside food".] | verb | To go above ground to feed. |
| silflay | *silflay | [< silf + flay, "outside food".] | common noun | Food available above ground (outside the warren). |
| tharn | | | adjective | Literally hypnotized with fear (think of the "deer caught in the headlights" only with a rabbit), stupefied, distraught. Figuratively, foolish, forlorn or heartbroken. |
| Thethuthininang | | [< "Movement of Leaves." | proper noun | The name of a doe who lived in Efrafa. |
| thlay | *thlay | | common noun | Fur. |
| thlayli | | [< thlay + li, "fur head"] | proper noun | A nickname. |
| threar | *threaril | | common noun | A rowan tree or mountain ash. |
| Threarah | | [< Threar + rah, "Lord Threar".] | proper name | Lord Threar. |
| u | | | definite article | Similar to "the" in English. |
| U Hrair | | [< U + Hrair + Elil, "The Thousand Enemies".] | | The Thousand (Enemies) |
| vair | | | verb | To excrete. |
| yona | yonil | | common noun | A hedgehog. |
| *zen(th) | | [Reconstruction from Hyzenthlay.] | common noun | Dew. |
| zorn | | | adjective | Destroyed, murdered; suffered a catastrophe. |
