Similar to fulgidus
- frigidus – feeble
- fulgens – flashing, illustrious
- fultus – supporter
- fulgeo – beam, shine, to flash
- fulgur – to flash
- fulcio – oppress, strengthen, to besiege, to strengthen, to support, uphold
- pondus – a pound's weight, constancy, firmness, heavy body, load, mass, weight, weight of character