Here's what rhymes with tautological.
logical illogical audiological biological pathological geological ontological analogical etiological topological typological zoological dialogical ethological urological horological ideological theological ecological neurological genealogical histological pedagogical phonological ethnological hydrological aetiological psychological technological archaeological sociological chronological morphological mythological astrological philological radiological teleological archeological serological terminological embryological dermatological speleological physiological methodological eschatological meteorological bacteriological mineralogical hematological toxicological gynaecological haematological ornithological epidemiological immunological pharmacological phenomenological neuropsychological microbiological gynecological biotechnological musicological neurophysiological psychophysiological electrophysiological Words that almost rhyme with tautological
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 gastronomical uneconomical unhistorical prehistorical