Dramatic rhymes with:
melodramatic, aromatic, diagrammatic, epigrammatic, melodramatic, programmatic, aromatic, asymptomatic, automatic, axiomatic, cinematic, diagrammatic, diplomatic, emblematic, epigrammatic, idiomatic, mathematic, melodramatic, problematic, programmatic, psychosomatic, semiautomatic, symptomatic, systematic, telematic, undiplomatic
Dramatic sounds like:
deodorants, determinants, deterrents, doormats, dramatics, dramatize, dramatizes, drummonds, durant's