Bastille rhymes with:
castille, castille, amatil, anctil, bertil, castille, dactyl, guptill, infantile, mercantil, quartile, quintile, tactile
Bastille sounds like:
bachtel, bachtell, beastly, bechtel, bechtle, bechtol, beightol, bestial, bestul, bicoastal, bustillo, bustle