Diastole rhymes with:
colossally, galilee, hyperbole, jubilee, razaleigh, semele, bradlee, colossally, denlea, dunklee, farlee, friedli, galilee, greenlee, headlee, henslee, hyperbole, jubilee, lashlee, mountleigh, parlee, peaslee, plumlee, razaleigh, roblee, semele, soli, standlee, woodlee
Diastole sounds like:
dactyl, decidedly, desautel, deshotel, digital, digitally, distal, distel, distil, distill, doggedly, dostal, ductile, dugdale