Discountable rhymes with:
accountable, augmentable, countable, implantable, insurmountable, lamentable, patentable, presentable, preventable, printable, rentable, unaccountable, unprintable
accountable, augmentable, countable, implantable, insurmountable, lamentable, patentable, presentable, preventable, printable, rentable, unaccountable, unprintable