Here's what rhymes with prohistorical.
historical ahistorical prehistorical rhetorical unhistorical categorical metaphorical Words that almost rhyme with prohistorical
symbolical diabolical logical tropical conical comical chronicle histological illogical ironical zoological dropsical ethological biological hospital philosophical physiological theological economical geological periodical mythological philological subtropical dialogical aetiological theosophical semitropical pocketsful psychological ideological ecological pathological sociological astronomical methodological ontological paradoxical eschatological pedagogical phonological analogical astrological etiological topological typological ethnological hydrological serological hematological tautological haematological urological audiological nontropical astronautical horological speleological technological morphological neurological genealogical radiological teleological mineralogical neurophysiological uneconomical embryological ornithological musicological taxonomical gastronomical archaeological chronological immunological archeological microscopical terminological toxicological biotechnological dermatological gynaecological epidemiological meteorological pharmacological bacteriological electrophysiological microbiological psychophysiological gynecological phenomenological neuropsychological