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