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