Penitential indicates deep sorrow; it's stronger than just feeling 'sorry'.

Emotional Weight

Often used in religious contexts where someone seeks forgiveness for sins or wrongdoings.

Religious Overtones

Implies a serious mistake or wrongdoing has been acknowledged by the person.

Refers to traditional religious practices for repentance.

Penitentials are detailed guides, not just general advice.

Penitentials have historical roots, especially in medieval religious practices.