Bacilli and Bacillus

Bacillus and bacilli are semantically related. in bacteria topic. In some cases you can use "Bacillus" instead a noun "Bacilli", when it comes to topics like bacterium.

Bacillus noun - Aerobic rod-shaped spore-producing bacterium; often occurring in chainlike formations; found primarily in soil.

Bacilli and bacillus are semantically related. Sometimes you can replace term "Bacilli" with "Bacillus", this nouns are similar.