Synonyms

Option (3) is correct.

Option (3) is correct.

Option (2) is correct.

Effluence means the action or process of flowing out, or something that flows out (especially light or radiance). It's derived from 'effluent' (flowing out). 'Effusion' is similar but refers more to pouring out or emotional expression, while 'Effort' is completely different.

'Effort' means a vigorous or determined attempt, making it the correct match. 'Effrontery' means impudent behavior, 'effluence' means flowing out, 'effuse' means to pour out, and 'effable' means capable of being expressed - none relate to making an attempt.

Both cacophony and din mean noise.

Cajole means to persuade someone to do something by sustained coaxing or flattery. 'Flatter' is the correct synonym as both involve using praise or compliments to influence someone's behavior, though cajole has a more persistent, persuasive connotation.

Carnal relates to physical or bodily pleasures, especially sexual desires. Sensual is the closest synonym because it also pertains to physical gratification. Spiritual is an antonym, while festival is unrelated.

Cast can mean to shape or form something, like casting metal in a mold. Shape is the correct synonym. Rank and class refer to categories, not the action of forming.

A caper is a playful leap or skipping movement, making dance the correct synonym. Cover and stable are unrelated to the meaning of a caper.

Candid means honest, direct, and straightforward in expressing opinions. Frank is the correct synonym. Dishonest and indirect are antonyms, opposite in meaning.

Cease means to stop or come to an end. Discontinue is the correct synonym. Begin is an antonym, while abduct means to kidnap, which is unrelated.

Caution means carefulness or the quality of being careful to avoid danger. Care is the correct synonym. Reckless is an antonym, while headline is unrelated.

Charm can mean the power to attract or delight, making allure the correct synonym. Unpleasant and dull are antonyms, opposite in meaning.

Celestial relates to the sky, heaven, or divine things. Supernatural is the closest synonym among the options. Natural is an antonym, while festive is unrelated.