Bacillus rhymes with:
lactobacillus, lactobacillus, lactobacillus, agilis, amaryllis, hillas, lactobacillus, mccrillis, mcgillis, squillace
Bacillus sounds like:
backlash, backlashes, backless, backlog, backlogs, backslash, backslashes, bagels, baseless, basilica, beagle's, beagles, beaklike, beaujolais, beckles, begala's, beschloss, beschloss', beschloss's, beshloss, bicycles, bifocals, bigelow's, bisexuals, boggles, boslego, bozell's, buchholz, bucholz, buckels, buckholz, buckles, bucolic, bugles, bugliosi, bugliosi's, busalacchi, bushels, buslease, busulaki