4.5.20.5 f-s, f-st, f-t Convex, big, fat; convexe, gros, gras |
| Anc.Greek | physalís | bladder |
| Franç. | faste | pomp, opulence |
| Lat. | fastus | pride |
| Germ. | fass | keg |
| Engl. | fat, vat | tub, tank |
| Engl. | fat | adipose, plump (no semantic relation to Goth fetjan to adorn) |
| Lat. | fetus | swollen, filled, pregnant woman |
| Lat. | feta | pregnant woman |
| Lat. | fœtus | childbirth |
| Lat. | fetinus | child |
| Span. | fedello | child |
| Ital. | fante | (with nasalisation) child |
| Lat. | infantem | child. The use of infantia in the sense of incapacity to speak is secondary |
| Franç. | enfanter | to give birth to a "fœtus" (ci-dessus) |