Similar to frivolus
- altivolus – soaring
- citivolus – swiftly flying
- frigus – cold, cold of winter, coolness, dullness, indolence
- frigidus – feeble
- stilus – a pike, a stylus for writing, pale, writing
- pilus – a single hair, a trifle
- scelus – accursed deed, calamity, crime, evil deed, sin, wickedness