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