feroci
feroci is a Latin form of ferox, meaning “fierce, bold, warlike; defiant”. It is the dative singular adjective.
Found 34 times in the Latin texts on Socratos.
Where it is used
Vergil, Aeneid 12.19: O praestans animi iuvenis, quantum ipse feroci
Aulus Gellius, Noctes Atticae 13.30.3.2: Feróci ingenio, fácie procerá virum.
All forms of ferox (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.