prece
prece is a Latin form of prex, meaning “prayer, request, entreaty (usually pl. preces)”. It is the ablative singular feminine noun.
Found 66 times in the Latin texts on Socratos.
Where it is used
Cicero, Letters to Atticus 11.15.2: … ̅ⅰ̅ⅰ̅ sola curasse scripsi ad te antea. quod superest velim videas ut curetur. Quintus non modo non cum magna prece ad me sed acerbissime scripsit, filius vero mirifico odio. nihil fingi potest mali quo non urgear. omnia tame …
All forms of prex (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.