Gracile rhymes with:
grassel, grassl, brasel, brasil, brassell, grassel, grassl, astle, basle, brasel, brasil, brassell, cassel, cassell, castle, facile, grassel, grassl, hassel, hassell, hassle, kasel, kasell, kassel, kastle, tassel, vantassel, vantassell, vassal, vassel
Gracile sounds like:
garagiola, gargill, gargiulo, gargoyle, garguilo, gergel, gergely, graciously, grackle, graessle, grassel, grassl, grassley, gressley, grigoli, grisly, griswell, grizzell, grizzle, grizzly, grossly, grygiel, guariglia, gurgle