Term: gonococcus: the pus-producing bacterium that causes gonorrhea
Broader: bacteria: (microbiology) single-celled or noncellular spherical or spiral or rod-shaped organisms lacking chlorophyll that reproduce by fission; important as pathogens and for biochemical properties; taxonomy is difficult; often considered to be plants | Unrelated: leitneriaceae: coextensive with the genus Leitneria; commonly isolated in a distinct order
Broader: bacteria: (microbiology) single-celled or noncellular spherical or spiral or rod-shaped organisms lacking chlorophyll that reproduce by fission; important as pathogens and for biochemical properties; taxonomy is difficult; often considered to be plants | Unrelated: roller towel: a towel with the ends sewn together, hung on a roller