sudden – repentino (m) / repentina (f)
(Pronounced reh-pehn-tee-noh / reh-pen-tee-nah)
To remember that sudden is pronounced reh-pehn-tee-noh or reh-pen-tee-nah (repentino/repentina) in Spanish, use the following mnemonic:
The gambler had a sudden urge to repent and leave the casino (repentino).