Mammoth Uncensored Word List:
58 words ending with al, 18 letters long

anticonstitutional autolithographical autoradiographical cerebrohepatorenal chemoheterotrophal chemoorganotrophal chemotherapeutical circumnavigational countereducational crystallographical ethnomusicological faciodigitogenital histomorphological histophysiological hydrometallurgical immunocytochemical immunopathological interinstitutional lepidopterological lithoheterotrophal macromorphological microenvironmental micromorphological microneurosurgical neurophysiological neuropsychological nonanthropological noncommunicational nonconfrontational nonelectrochemical nonentrepreneurial nonequidimensional noninvestigational nonlexicographical nonmicrobiological nonmusculoskeletal nonpharmacological nontrigonometrical palaeopathological pathophysiological pericraniocervical pharmacomechanical pharyngoesophageal photoheterotrophal physiopathological phytophysiological pretranscriptional pseudoasymmetrical pseudointellectual pseudoprofessional psychobiographical psychopathological sociopsychological taphrogeosynclinal thoracolumbosacral tubulointerstitial ultramicroscopical zygomaticotemporal