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