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