Tremulously rhymes with:
meticulously, miraculously, ridiculously, scrupulously, frivolously, marvelously, mercilessly, meticulously, miraculously, perilously, ridiculously, scrupulously
meticulously, miraculously, ridiculously, scrupulously, frivolously, marvelously, mercilessly, meticulously, miraculously, perilously, ridiculously, scrupulously