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