This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. Of or pertaining to congeners (organisms of the same genus)

n. Alternative form of congener.

adj. Belonging to the same genus; allied in origin, nature, or action; of or pertaining to a congener.

Being of the same kind; specifically, in botany and zoology, belonging to the same genus or nearly allied; being congeners.

adj. belonging to the same genus

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

"Carpenter argues in his new paper that, in fact, A. fragillimus seems to have differed from A. altus in a number of anatomical details, and that the two might not have been congeneric after all."

congenerical   

being    organism   

Allie