"congener" in the noun sense

1. congener

a minor chemical constituent that gives a wine or liquor its distinctive character

2. relative, congener, congenator, congeneric

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

3. congener

a whole (a thing or person) of the same kind or category as another

"lard was also used, though its congener, butter, was more frequently employed"

"the American shopkeeper differs from his European congener"

Source: WordNet® (An amazing lexical database of English)

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