Here's what rhymes with matematically.
automatically dramatically dogmatically thematically emphatically statically erratically autocratically idiomatically pneumatically aromatically operatically rheumatically systematically schematically diplomatically climatically problematically symptomatically chromatically emblematically melodramatically democratically ecstatically enigmatically axiomatically aristocratically phlegmatically acrobatically bureaucratically thermostatically idiosyncratically Words that almost rhyme with matematically
radically tragically sporadically dynamically massively bombastically monastically mannishly drastically mechanically graphically passively tacitly tenacity classically lavishly savagely banality fantastically laughingly panicky validly lastingly passingly inactively waggishly abashedly gymnastically raffishly originality candidly organically sarcastically attractively handedly marginality placidly proactively pugnacity slavishly topographically unabashedly impassively biographically enchantingly scholastically telepathically invalidly slantingly snappishly irascibly unflaggingly caddishly personality plurality sanctity immorality veracity everlastingly interactively nostalgically photographically venality demographically aerodynamically typographically telegraphically exactingly inorganically unattractively prancingly humanity rationality enthusiastically centrality materiality mutuality temporality casuistry emotionality informality pertinacity punctuality bestiality distractedly mendacity outstandingly retroactively seasonality understandingly ethnographically radioactively offhandedly orthographically autobiographically outlandishly evenhandedly lithographically highhandedly underhandedly pornographically immortality functionality criminality illegality artificiality eventuality speciality technicality ecclesiastically expansively immateriality impartiality intentionality principality proportionality superficiality collegiality bibliographically instrumentality sentimentality conventionality individuality constitutionality unconventionality unconstitutionality heterosexuality