'Viena' is the capital of 'Austria' and in the same way 'Cairo ' is the capital of 'Egypt'

'Bark' is the sound produced by a 'Dog' and similarly, 'Neigh' is the sound produced by a 'Horse'.

A ' Pig' lives in a 'Sty' and in the same way an 'Owl' lives in a 'Barn'

'Mare' is the female 'Horse' and similarly, 'Vixen' is the female 'Fox'

A group of 'Fish' is called 'Shoal' Similarly, a group of elephants is called 'Flock'.

'Dubious' is the antonym of 'Certain' and similarly, 'Cold' is the antonym of 'Warm'.

'Beaver' is known for its 'Indolence' and similarly 'Peacock' is known for its beauty or 'Elegance'.

Here, Equine is related to or affecting horses or other members of horse family. Feline is relating to or affecting cats or other members of cat family.

Introvert is antonym of Extrovert, Similarly, Against is antonym of Favour.

Given relation (India : Tricolour) is the relation of country and corresponding national flag.