regna
regna is a Latin form of regnum, meaning “kingship, royal power; rule; kingdom, realm”. It is the accusative plural neuter noun or nominative plural neuter noun.
Found 508 times in the Latin texts on Socratos.
Where it is used
Caesar, De Bello Gallico 1.3.6: non esse dubium quin totius Galliae plurimum Helvetii possent; se suis copiis suoque exercitu illis regna conciliaturum confirmat.
Vergil, Aeneid 11.264: Regna Neoptolemi referam versosque penates
All forms of regnum (declension table)
Source: Socratos (socratos.org), a free reader for Ancient Greek and Latin. Grammar from the Perseus Treebank and Morpheus; dictionary entries from Lewis & Short, A Latin Dictionary (Perseus Digital Library, CC BY-SA). Counts are from the texts on Socratos.