ferreus,
*ferricrepinus,
ferrifodina,
*ferriterium,
*ferriterus,
*ferritribax,
||ferruginans,
ferrugineus, ginus
ferrugo,
ferrum,
ferrumen,
||ferruminatio,
ferrumino,
fertilis,
fertilitas,
fertiliter,
1. fertor,
2. Fertor,
||fertorius,
fertum ferctum