Impermissible rhymes with:
indivisible, dulcibelle, incomprehensible, indispensible, indivisible, irascible, submersible, anibal, berkebile, bonnibel, bonnibelle, contibel, corruptible, dulcibelle, extendible, fungible, hannibal, imperceptible, incomprehensible, incontrovertible, indelible, indestructible, indispensible, indivisible, interruptible, irascible, nondeductible, submersible, unadjustable, uncollectible