Following are all the penitential like words, in the list below.
PENITENT
100% like penitential
REPENTANT
100% like penitential
PENITENCE
33.44% like penitential
LITURGICAL
33.44% like penitential
PENITENTS
33.44% like penitential
PENANCE
33.44% like penitential
FERIAL
33.44% like penitential
FESTAL
33.44% like penitential
PENANCES
33.44% like penitential
HAIRSHIRT
33.44% like penitential
LITURGIC
33.44% like penitential
EXPIATORY
33.44% like penitential
LENTEN
33.44% like penitential
RUBRICAL
33.44% like penitential
ASCETICAL
33.44% like penitential
FLAGELLATIONS
33.44% like penitential
SUPPLICATORY
33.44% like penitential
CONSECRATORY
33.44% like penitential
SOLEMNITIES
33.44% like penitential
FLAGELLATION
33.44% like penitential
PARALITURGICAL
33.44% like penitential
LITURGIES
33.44% like penitential
HYMNIC
33.44% like penitential
PIETISTIC
33.44% like penitential
STATIONAL
33.44% like penitential
SOLEMN
33.44% like penitential
MORTIFICATIONS
33.44% like penitential
LITURGY
33.44% like penitential
SACRAMENTAL
33.44% like penitential
INVITATORY
33.44% like penitential
ASCESIS
33.44% like penitential
ECCLESIAL
33.44% like penitential
ECCLESIASTICAL
33.44% like penitential
MONASTICAL
33.44% like penitential
RITUALISTIC
33.44% like penitential
SOMBRE
33.44% like penitential
CONTEMPLATIVE
33.44% like penitential
MONASTIC
33.44% like penitential
CLOISTRAL
33.44% like penitential
EUCHARISTIC
33.44% like penitential
TRIDUUM
33.44% like penitential
RIGORISM
33.44% like penitential
FUNEREAL
33.44% like penitential
SYNODAL
33.44% like penitential
EPISCOPAL
33.44% like penitential
LUGUBRIOUS
33.44% like penitential
MONKISH
33.44% like penitential
PASTORAL
33.44% like penitential
ASCETIC
33.44% like penitential
PURIFICATORY
33.44% like penitential
VESTMENTS
33.44% like penitential
LITURGICALLY
33.44% like penitential
PETITIONARY
33.44% like penitential
DOLOROUS
33.44% like penitential
CHIVALRIC
33.44% like penitential
PURGATION
33.44% like penitential
MARTYROLOGICAL
33.44% like penitential
PURGATORIAL
33.44% like penitential
MORALISTIC
33.44% like penitential
CATECHETICAL
33.44% like penitential
MEDITATIVE
33.44% like penitential
FLAGELLANT
33.44% like penitential
SOLEMNITY
33.44% like penitential
ALMSGIVING
33.44% like penitential
FUNERARY
33.44% like penitential
MEDIATIVE
33.44% like penitential
CONFESSIONAL
33.44% like penitential
MOURNFUL
33.44% like penitential
ASCETICISM
33.44% like penitential
REPARATORY
33.44% like penitential
SERMONIC
33.44% like penitential
BROMIDIC
33.44% like penitential
ANCHORITIC
33.44% like penitential
SORROWFUL
33.44% like penitential
PENITENTE
33.44% like penitential
PRECONCILIAR
33.44% like penitential
VESTMENT
33.44% like penitential
PSALMODY
33.44% like penitential
MOURNFULNESS
33.44% like penitential
PURITANIC
33.44% like penitential
PSALMS
33.44% like penitential
ANTIPHONAL
33.44% like penitential
ANTIPHON
33.44% like penitential
ECCLESIASTIC
33.44% like penitential
MONACHISM
33.44% like penitential
EXHORTATORY
33.44% like penitential
PIETY
33.44% like penitential
PLAINSONG
33.44% like penitential
ABSOLUTIONS
33.44% like penitential
SALUTARY
33.44% like penitential
CATECHISING
33.44% like penitential
HYMENEAL
33.44% like penitential
PRAYERFUL
33.44% like penitential
BROODINGS
33.44% like penitential
HOMILETIC
33.44% like penitential
LEGALISTIC
33.44% like penitential
CONDEMNATORY
33.44% like penitential
POLYCHORAL
33.44% like penitential
STROPHIC
33.44% like penitential
EXPIATION
33.44% like penitential