Adorable: extremely charming

Adamant: unwilling to change an opinion

Amenable: willing to be guided or controlled

Abominable: unpleasant

Hence, option C is the correct answer.

Overweight - one who has excessive weight.

Glutton- one who eats too much.

Corpulent, Obese - one who has a large bulky body.

Hence option B is the correct answer.

 Harmonious means symmetrical.

Inconspicuous means visible or apparent.

Unpretentious means honest.

Contiguous means touching along the side or boundary.

Hence, option D is the correct answer.

 Aspersion- disparaging remark

Coercion -compulsion

Scion- a descendent

Volition -the act of making a choice.

Hence, option B is the correct choice.

PAUPER : one who is very poor.

PEDIATRICIAN: one who deals with the diseases of children.

PEDESTRIAN: one who walks on foot.

PROTAGONIST: one who plays the main part.

Hence, option C is the correct option.

Regicide-killing of a king

Redemption-atoning for a fault

Amnesty- an official pardon

Amnesia- loss of memory

Hence option C is the correct answer.

Stoic: a person who can endure pain or hardship without showing their feelings or complaining.

Wise: having or showing experience, knowledge, and good judgement.

Brave: ready to face and endure danger or pain; showing courage.

Temperate: showing moderation or self-restraint.

Out of the given options “stoic” is the best suitable option. Option (C) is the correct choice

Precedent: A previous case that might serve as an example or guide in subsequent situations

Predecessor: a person who held a job or office before the current holder.

President: the elected head of a republican state.

Precursor: a person or thing that comes before another of the same kind; a forerunner.

Option (A) is the correct choice. Out of the given options “precedent” is the best suitable option.

Feminism: the advocacy of women's rights on the ground of the equality of the sexes.

Polygamy: the practice or custom of having more than one wife or husband at the same time.

Celibacy: The state of remaining unmarried

Monogamy: the practice of marrying or state of being married to one person at a time
Hence, option C is the correct answer. 

AUTOCRACY: a system of government by one person with absolute power.

SINECURE: a position requiring little or no work but giving the holder status or financial benefit

BUREAUCRACY: a system of government in which most of the important decisions are taken by state officials rather than by elected representatives.

HONORARY: conferred as an honour
Hence, option B is the correct answer.