| Word | Meaning | Occurrences |
|---|---|---|
| foenerator | money-lender | 5 |
| foedus | covenant, compact; foul, loathsome | 213 |
| foedo | to defile, to dishonor | 1 |
| foeditas | foulness, filthiness | 3 |
| foedero | to establish by treaty | 3 |
| foederatus | allied | 4 |
| foede | foully, cruelly | 1 |
| fodio | to dig, to pierce | 50 |
| focus | fire-place, hearth | 4 |
| focaria | kitchen maid, cook | 1 |
| fluxus | flow, flux | 20 |
| fluvius | river | 81 |
| fluo | to flow | 51 |
| flumen | stream, river | 163 |
| fluentum | running water, stream | 7 |
| fluctus | wave | 40 |
| fluctuo | to fluctuate, waver | 5 |
| fluctuatio | wavering, vacillation | 2 |
| flos | flower | 31 |
| floridus | in bloom, flowering | 2 |