Mitral rhymes with:
ancestral, astral, austral, bottrell, cantrall, central, cottrill, cutrell, entrail, futral, gartrell, gatrell, kittrell, littrell, luttrell, luttrull, ministral, minstrel, mistral, neutral, orchestral, ventral
Mitral sounds like:
madril, mandrell, mandrill, material, materially, materiel, matherly, momentarily, monetarily, montreal, motherly, motorola