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