Fatally rhymes with:
accidentally, anecdotally, atalie, brutally, coincidentally, continentally, digitally, environmentally, experimentally, fundamentally, governmentally, hastily, heartily, horizontally, incidentally, incrementally, italy, jauntily, mentally, mightily, monumentally, mortally, natalie, nathalie, nattily, ornamentally, ottilie, philately, scantily, subtly, temperamentally, testily, totally, vitally, wittily
Fatally sounds like:
fadel, fadeley, fadely, fadlallah, faidley, fatal, fatula, fedele, fedeli, fetal, feudal, fiddle, fidel, fidelia, foothill, footwall, fudala, futile