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