Occidental Verbal Derivation

Regul de Stief

Rule

1. Get rid of the -r or -er from the infinitive.
2. If the remaining ends with …
   1. -s, -t, -x: no change.
   2. -d: -d becomes -s.
   3. A different letter: add -t; -b/-g before it becomes voiceless: -p/-c.
3. Add suffix

Irregulars

• ceder → cess
• currer → curs
• graver → grav
• herer → hes
• morir → mort
• mover → mot
• nascer → nat
• nocer → noc
• opiner → opin
• rebeller → rebell
• seder → sess
• sentir → sens
• venir → vent
• verter → vers

Examples

absorber, ager, consumer, coreger, coverer, ducer, eleger, oferer, proteger, credir