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