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