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