Here's what rhymes with penitental.
gentle dental mental parental incidental rental lentil elemental oriental placental judgmental judgemental accidental instrumental detrimental incremental ornamental sentimental regimental coincidental temperamental occidental fundamental experimental developmental governmental continental monumental transcendental supplemental nonjudgmental unsentimental compartmental excremental environmental intercontinental subcontinental intergovernmental nongovernmental transcontinental Words that almost rhyme with penitental
penitential temple evidential residential tremble tangential semble sentential torrential credential inessential influential presidential resemble assemble existential prudential deferential exemple dissemble nonessential unessential exponential preferential sequential referential providential reverential disassemble reassemble circumferential consequential inconsequential pencil tensile betel petal central essential metal devil settle peril ventral kettle pedal rectal septal bevel eventful pebble erectile festal kennel mettle nettle pestle venial beryl fennel peddle cecal fettle vestal bezel chestful level several special potential careful vessel dreadful rebel spectral sterile methyl medal acetyl meddle mesial resentful restful revel treble vengeful wrestle bestial faecal feral imperil prayerful sessile trestle nestle speckle utensil bedevil bipedal mescal shekel treadle embezzle heckle pretzel zestful headstall differential helpful epithelial especial respectful healthful projectile stressful dimethyl inferential uneventful fretful neglectful pubertal dialectal prehensile resettle unsettle freckle teakettle nonmetal dishevel ancestral confidential endothelial orchestral disrespectful palpebral quintessential revengeful distressful regretful traversal suspenseful gunmetal shovelful successful celestial departmental experiential colorectal forgetful multilevel tocopherol unhelpful primaeval unhealthful overcareful unsuccessful nonresidential cockleshell interdepartmental quadrupedal nondepartmental