| Vocable | Translation |
| felix qui potuit rerum cognoscere causas Phrase | happy is he who can ascertain the causes of things |
| felo de se Phrase | felon from himself |
| femella, ut angelus ballas, deus te futuit Phrase | Bae, you dance like an angel, god (rude) you |
| femina, sodes abambula, quo ammodum diu mansisti Phrase | Woman, please be gone, you've stayed here much to… |
| fere libenter homines id quod volunt credunt Phrase | men generally believe what they want to |
| Ferociter pugnamus Phrase | still in translation |
| Ferox leonem necavit Phrase | still in translation |
| Ferrum durim et utiliza est auro Phrase | still in translation |
| festina lente Phrase | hurry slowly |
| festinare nocet, nocet et cunctatio saepe; tempore quaeque suo qui facit, ille sapit. Phrase | it is bad to hurry, and delay is often as bad; th… |
| fiat iustitia et pereat mundus Phrase | let justice be done, though the world shall perish |
| fiat justitia ruat caelum Phrase | let justice be done should the sky fall |
| fiat lux Phrase | let there be light |
| Fiat mihi secomdom verbum tuum Phrase | still in translation |
| fiat voluntas Dei Phrase | May God's will be done |
| fiat voluntas tua Phrase | Thy will be done |
| ficta voluptatis causa sint proxima veris Phrase | fictions meant to please should approximate the t… |
| Fidei Defensor (Fid Def) Phrase | Defender of the Faith |
| Fidelis Rex Phrase | still in translation |
| fidem scit Phrase | he knows the faith |
| fides qua creditur Phrase | the faith by which it is believed |
| fides quae creditur Phrase | the faith which is believed |
| fides quaerens intellectum Phrase | faith seeking understanding |
| fidus Achates Phrase | faithful Achates |
| filiae nostrae sicut anguli incisi similitudine templi Phrase | may our daughters be as polished as the corners o… |
| Finder of lost souls Phrase | still in translation |
| finis coronat opus Phrase | the end crowns the work |
| Finis momentum est Phrase | still in translation |
| finis vitae sed non amoris Phrase | the end of life, but not of love |
| Fēmina virque... parēsne? Phrase | still in translation |