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