Epigrammatic rhymes with:
diagrammatic, diagrammatic, programmatic, aromatic, diagrammatic, dramatic, melodramatic, programmatic, aromatic, asymptomatic, automatic, axiomatic, cinematic, diagrammatic, diplomatic, dramatic, emblematic, idiomatic, mathematic, melodramatic, problematic, programmatic, psychosomatic, semiautomatic, symptomatic, systematic, telematic, undiplomatic