periodical

Words that almost rhyme with semiperiodical

logical tropical illogical prodigal biological theological ecological geological pedagogical etiological philological teleological zoological dialogical aetiological ethological urological semitropical ideological physiological technological archaeological pathological neurological genealogical meteorological mythological analogical radiological topological typological archeological serological embryological hematological tautological haematological audiological horological speleological psychological sociological chronological morphological ontological histological immunological phonological astrological subtropical bacteriological ethnological hydrological mineralogical terminological nontropical astronautical methodological epidemiological eschatological microscopical dermatological gynaecological ornithological musicological pharmacological phenomenological neuropsychological microbiological neurophysiological psychophysiological gynecological toxicological biotechnological 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