Mammoth Uncensored Word List:
26 words ending with ze, 15 letters long

adrenalectomize apophthegmatize comprehensivize conventionalize deindustrialize departmentalize experimentalize governmentalize intellectualize metropolitanize mischaracterize overrationalize photosynthesize presbyterianize professionalize radiopasteurize reconceptualize recontextualize reindustrialize resurrectionize supernaturalize superspecialize thyroidectomize totalitarianize undercapitalize unprotestantize