ducis
ducis is a Latin form of duco, meaning “lead; consider”.
It can also be a form of dux, “leader, general”. It is the genitive singular masculine noun.
Found 392 times in the Latin texts on Socratos.
Where it is used
Caesar, De Bello Civili 2.32·2: Relinquitur nova religio, ut eo neglecto sacramento, quo tenemini, respiciatis illud, quod deditione ducis et capitis deminutione sublatum est. At, credo, si Caesarem probatis, in me offenditis. Qui de meis in vos me …
Vergil, Aeneid 11.758: portat ovans. Ducis exemplum eventumque secuti
All forms of duco (conjugation 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.