Here's what rhymes with researchable.
workable unsearchable unworkable Words that almost rhyme with researchable
circuital cervical reversible vertebral virginal returnable burnable revertible terminal discernible irreversible observable germinal urinal convertible purposeful worshipful turnbuckle conferrable impersonal transferable indiscernible nonreturnable intervertebral interpersonal nonconvertible nontransferable