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