Vagary is a capricious idea, enthusiasm is excitement .

Correct Option: A

Vagary is a capricious idea, enthusiasm is excitement, caprice means whim or sudden fancy.

Ornaments are piece of jewelry.
Manacle is a chain or something used to bind.

Correct Option: A

Manacle is a chain or something used to bind, fetters are also chains, ornaments are piece of jewelry.

Revulsion is opposite of attraction and avenge is to take revenge, apathy means indifference or cold attitude toward a thing or person.

Correct Option: C

Revulsion is opposite of attraction, it means a repellant disgusting feeling, avenge is to take revenge, apathy means indifference or cold attitude toward a thing or person.

Fear means distress , Claw means nail and Joke means pleasantry .

Correct Option: D

Clout means influence or dominance or power in the respective field.

Similar means alike , Versatile is someone who has many talents or skills and Humble means meek .

Correct Option: A

Propitious means favorable. Versatile is someone who has many talents or skills