Diastolic rhymes with:
alcoholic, anabolic, balik, bialik, bolich, bolick, bucolic, collick, falik, folic, frolic, holick, hollick, hyperbolic, kovalik, kowalik, kralik, krolick, malec, melancholic, metabolic, michalec, nikolic, nonalcoholic, parabolic, phenolic, polich, pollick, symbolic, vitriolic, workaholic
Diastolic sounds like:
desautels, deshotels, digital's, digitalis, distills, ductless