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