reg·nal 
(rĕgnəl)
(rĕgnəl)adj.
Being a specified year of a monarch's reign calculated from the date of accession: in her 12th regnal year.
[Medieval Latin rēgnālis, royal, from Latin rēgnum, reign; see REIGN.]
- paradisaic
- paradisaical
- paradisaically
- paradisal
- paradisally
- paradise
- paradisiac
- paradisiacal
- paradisiacally
- parador
- paradox
- paradoxical
- paradoxically
- paradoxicalness
- paradoxical sleep
- paradrop
- paraesthesia
- paraesthesia
- paraffin
- paraffinic
- paraffin series
- paraffin wax
- parafoil
- paraformaldehyde
- paragenesia