congener

They require to be so: since an encounter with a full-grown jaguar is but little less dangerous than with his striped congener of the Indian jungles.

From Bruin The Grand Bear Hunt by Johann Baptist Zwecker

The frond of Sphenopteris bifida was of a more simple form than that of its larger congener, and not a little resembled a living fern of New Zealand, Cœnopteris vivipara.

From The Testimony of the Rocks or, Geology in Its Bearings on the Two Theologies, Natural and Revealed by Hugh Miller

Other species of Lycoperdon have been eaten when young, and we have been assured by those who have made the experiment, that they are scarcely inferior to their larger congener.

From Fungi: Their Nature and Uses by M. C. (Mordecai Cubitt) Cooke

It is well known in different portions of Continental Europe, and is frequently figured in contrast with its very poisonous congener, Amanita muscaria, or "False Orange," commonly known as the "Fly Amanita," or "Fly-Killer."

From Student's Hand-book of Mushrooms of America, Edible and Poisonous by Thomas Taylor

The legs of the bontebok are white from the knee down, while those of his congener are only white on the insides—the outsides being brown.

From The Young Yagers A Narrative of Hunting Adventures in Southern Africa by Mayne Reid

This dual capacity distinguishes us from other species which, to learn a new task, need numerous trials accompanied by positive or negative reinforcement signals, without being able to communicate it to their congeners.

From Science Daily ● Mar. 18, 2024

One of these fractions is called the “hearts,” containing mostly ethanol and water, but also small amounts of congeners, which play a big role in the final flavor of the product.

From Scientific American ● Sep. 27, 2023

The type of still will influence the beverages' final flavor, because pot stills often do not separate the congeners as precisely as column stills do.

From Salon ● Sep. 14, 2023

Whatever you think you’ve read about congeners and sulphites and wine before beer, it’s all twaddle.

From The Guardian ● Jan. 1, 2017

This doesn’t diminish, I recognise, any interest that may reside in the form either of “The Siege” aforesaid or of its congeners “An International Episode,” “A Bundle p. xvof Letters” and “The Pension Beaurepas.”

From Lady Barbarina The Siege of London, An International Episode and Other Tales by Henry James