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