Charismatic rhymes with:
prismatic, prismatic, asthmatic, klezmatic, prismatic, aromatic, asthmatic, asymptomatic, automatic, axiomatic, cinematic, climatic, diagrammatic, diplomatic, dogmatic, dramatic, emblematic, enigmatic, enzymatic, epigrammatic, idiomatic, informatic, klezmatic, mathematic, matic, mattick, melodramatic, monochromatic, numismatic, phlegmatic, pneumatic, posttraumatic, pragmatic, prismatic, problematic, programmatic, psychosomatic, rheumatic, schematic, semiautomatic, sensormatic, symptomatic, systematic, telematic, thematic, traumatic, undiplomatic
Charismatic sounds like:
charismatics, crescents, croissants