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