| Word | Meaning | Occurrences |
|---|---|---|
| frendo | to gnash the teeth | 3 |
| frenum | bridle, bit | 16 |
| frequens | constant, frequent | 8 |
| frequenter | often, frequently | 27 |
| frequentia | throng, multitude | 7 |
| frequento | to visit frequently, to celebrate | 3 |
| fretum | strait, sound | 17 |
| frigidus | cold, frigid | 13 |
| frigo | to roast, parch | 6 |
| frigus | coldness, chill | 20 |
| frondeo | to put forth leaves | 5 |
| frondosus | full of leaves, leafy | 11 |
| frons | forehead, brow; branch, leafy bough | 56 |
| fructifer | fruit-bearing, fruitful | 9 |
| fructifico | to bear fruit | 17 |
| fructus | enjoyment, fruit | 298 |
| frugi | useful, fit | 1 |
| frumentum | grain | 63 |
| fruor | to enjoy | 16 |
| frustra | in vain, without cause | 50 |
| frustro | to deceive, disappoint | 1 |
| frustror | to deceive, disappoint | 2 |
| frustum | piece, bit | 15 |
| frutetum | place full of bushes, thicket | 2 |
| frutex | shrub, bush | 1 |
| frux | fruit, crops | 48 |
| fucus | red dye, red color | 1 |
| fuga | fleeing, flight | 35 |
| fugio | to flee | 388 |
| fugitivus | fleeing, fugitive | 8 |
| fugo | to put to flight | 24 |
| fulcio | to prop up | 6 |
| fulcrum | post, rail | 1 |
| fulgens | shining, dazzling | 4 |
| fulgeo | to flash, shine | 17 |
| fulgor | lightning, lightning bolt | 5 |
| fulgur | lightning | 35 |
| fulguro | to flash with lightning, glitter | 4 |
| fullo | fuller | 6 |
| fulmen | stroke of lightning, thunderbolt | 3 |
| fulvus | deep yellow, reddish yellow | 1 |
| fumarium | smokehouse, chimney | 1 |
| fumigabundus | causing smoke, smoking | 1 |
| fumigo | to smoke | 7 |
| fumo | to smoke, steam | 4 |
| fumus | smoke, steam | 56 |
| funda | sling | 10 |
| fundamentum | foundation | 82 |
| fundibularius | slinger | 3 |
| fundibulum | sling | 1 |
| funditus | from the foundation, utterly | 2 |
| fundo | to pour, spill; to found, establish | 92 |
| fundus | bottom, lowest part | 3 |
| funebris | of a funeral, funereal | 1 |
| fungor | to perform, execute | 32 |
| funiculus | slender rope, cord | 50 |
| funis | rope, cord | 27 |
| funus | funeral rites | 2 |
| fur | thief | 50 |
| furibundus | raging, mad | 1 |
| furiosus | mad, furious | 2 |
| furnus | oven, fireplace | 3 |
| furo | to rage, be furious | 3 |
| furor | madness, fury; to steal, take secretly | 206 |
| furtim | by stealth, secretly | 1 |
| furtive | secretly, by stealth | 1 |
| furtivus | stolen | 2 |
| furto | secretly, by stealth | 3 |
| furtum | theft | 22 |
| furvus | dark, dusky | 2 |
| fuscinula | fork | 8 |
| fuscus | dark, swarthy | 1 |
| fusilis | molten, of molten metal | 10 |
| fusorius | molten, made by casting | 1 |
| fustis | club, cudgel | 9 |
| fusura | casting of metal | 1 |
| fusus | spindle | 2 |
| futurus | future | 54 |
| gaal | Gaal | 9 |
| gaas | Gaas | 4 |