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