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