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