Formula rhymes with:
curricula, diverticula, fibula, nebula, scapula, temecula, ahola, angela, aquila, calendula, curricula, diverticula, fibula, gisela, gondola, hatala, hautala, hietala, hyperbola, ketola, mahala, mahalah, mandala, mengele, methuselah, nebula, pamela, parabola, peninsula, pergola, romola, scapula, seemala, temecula, theola, ursula
Formula sounds like:
farinella, farnall, farnell, farnley, fermoyle, firmly, formal, formally, fornal