Cogener vs. Congener

A congener.

A plant or animal of the same taxonomic genus as another.

A person or thing similar in behavior or nature to another.

(chemistry) Any of a group of structurally-related compounds.

Any of several alcohols, other than ethanol, that are found in fermented and distilled alcoholic drinks, and are partially responsible for their flavour and character.

A thing of the same genus, species, or kind; a thing allied in nature, character, or action.

Example: ‘The cherry tree has been often grafted on the laurel, to which it is a congener.’; ‘Our elk is more polygamous in his habits than any other deer except his congener, the red deer of Europe.’;

an animal or plant that bears a relationship to another (as related by common descent or by membership in the same genus)