| Answer | Crossword Clue |
|---|---|
| TAPIR | Large ungulate. |
| hippopotamus | a large African artiodactyl ungulate of aquatic habits |
| hippopotami | HIPPOPOTAMUS, a large African artiodactyl ungulate of aquatic habits |
| hippopotamuses | HIPPOPOTAMUS, a large African artiodactyl ungulate of aquatic habits |
| rhinoceros | a large heavy ungulate mammal of the perissodactyl family Rhinocerotidae also RHINOCEROT, RHINOCEROTE |
| rhinoceri | RHINOCEROS, a large heavy ungulate mammal of the perissodactyl family Rhinocerotidae also RHINOCEROT, RHINOCEROTE |
