| Word | Definitions | Synonyms |
|---|---|---|
| archducal | (adjective) belonging to or befitting an archduke or his archduchy | - |
| coucal | (noun) Old World ground-living cuckoo having a long dagger-like hind claw | - |
| ducal | (adjective) of or belonging to or suitable for a duke | - |
| faucal | (adjective) of or relating to the fauces | - |