Here's what rhymes with arithmology.
ethology theology ecology zoology ethnology psychology biology pathology physiology apology geology mythology anthology aetiology cytology histology serology ornithology urology virology technology ideology sociology archaeology chronology etiology morphology astrology cosmology ontology typology etymology hydrology immunology mineralogy neurology oncology radiology tautology archeology phrenology audiology doxology penology seismology methodology terminology genealogy criminology embryology cardiology climatology entomology gerontology ophthalmology anthropology pharmacology meteorology toxicology dermatology gynecology epidemiology phenomenology psychopathology biotechnology bacteriology microbiology endocrinology paleontology nanotechnology Words that almost rhyme with arithmology
polity jollity authority quality equality frivolity sorority inequality majority minority priority prodigality policy colony solemnly solidly homily sodomy economy bodily formally harmony heartily botany lawfully pharmacy thoughtfully prodigy colloquy solvency thoughtlessly caudally stolidly wobbly philosophy commonly normally possibly autonomy partially sovereignty morally prophecy anomaly cautiously forcibly idolatry modesty novelty cordially dishonesty forcefully horribly informally mahogany progeny insolvency larceny mortally prophesy wrongfully broccoli doggedly dorsally lithography oligopoly phylogeny theocracy topically harmlessly jauntily loftily psychopathy tardily probably democracy monopoly aristocracy biography consciously geography geometry markedly remarkably astronomy dichotomy enormously forestry horizontally hypocrisy photography modestly monotony reportedly warranty apostasy autocracy demography impartially orthography plausibly scornfully unlawfully wantonly disharmony impossibly monogamy mournfully normalcy ontogeny responsibly cacophony dishonestly dormancy gorgeously incautiously meritocracy morbidly pompously remorselessly sarcophagi bureaucracy constancy topography abnormally uncommonly carpentry despondency radiography apostrophe improbably mammography typography androgyny hagiography oceanography constantly bibliography importantly unconsciously paradoxically pornography iconography anatomically choreography inconstancy subconsciously deplorably monstrously autobiography historiography demonstrably peremptorily cinematography preponderantly