1. things of the same kind or category; members of the same genus or group
Usage: formal; often used in scientific contexts
2. chemical compounds that are structurally related or derived from the same source
Usage: chemistry; technical

Examples

• The two species are congeners, both belonging to the same genus.
• Researchers studied various congeners of the original compound.
• These plants are congeners that share similar characteristics.
• The chemist analyzed several congeners to understand their properties.
• Biologists classified the animals as congeners due to their genetic similarities.
• The pharmaceutical company tested multiple congeners of the drug.