“Inquiry” is a noun that means a request for information. Though all of the options all relate to gaining knowledge, only “question” involves a request. A “theory” is an unproven guess that guides further investigation. “Inspection,” “examination,” and “analysis” are all methods of learning information directly. Of the answer choices, “question” has the closest meaning.

"Fidelity" means faithfulness or loyalty, particularly in a romantic relationship.

"Success" means accomplishment of a goal or challenge. "Deceit" means lying. "Integrity" means being honest and moral. "Brotherhood" means either the relationship between brothers or a community of people who share a profession or an interest. 

"Asylum" is a noun that means safe place, or a haven.

None of the other words are synonymous with asylum.

"Despot" means a dictator or a leader who rules with absolute power.

"Decoy" means a trap, or the bait that leads somebody into a trap.

"Crag" means a steep cliff or a rocky outcropping.

"Anatomy" is the study of the body, of either plants or animals.

"Debut" is a noun that means the "first appearance," or the beginning or the introduction of something.

A "ship" is a boat, or a craft that can travel on the water.

A "mutiny" is a rebellion against the authority, and is typically used in describing the revolts against a ship's captain.

A "braggart" is someone who brags excessively or someone who is egotistical.

A "curator" is a person who decides the contents and presentation of art shows or museums.

"Animosity" is a feeling of very strong dislike, most akin to "hatred." "Adoration" is an antonym to "animosity." "Behest" refers to a command. "Betrayal" refers to double crossing or exploiting someone who trusts you. "Corruption" refers to an abuse of power or position for personal gain.

"Din" means "noise," typically loud and constant noise.

"Magnitude" means importance or significance, or it can mean size.

"Indulgence" means luxury, privilege or tolerance.

"Alias" means false name or pseudonym.

"Bale" is a package of something prepared for transport. For example, a bale of hay is a wrapped up package of hay.

"Malady" means "illness," disease or physical disorder.

"Fervor" means passion, excitement or zeal.

"Protocol" means rules or guidelines for behavior.

"Alteration" means a change or an adjustment.

"Nuisance" means inconvenience or annoyance. 

"Clairvoyance" means "intuition" or perception, and is typically used to mean a supernatural perception of the future.

"Ignorance" means dumbness, inexperienced, or uneducated.

"Eloquence" means being skillful with words.

"Gibberish" means nonsensical talk or rambling.

"Deception" means falsehood, trickery or lying.

"Conceptual" and "theoretical" are words which are closely related in meaning used to describe abstract concepts. The other words do not have meanings closely related to the word conceptual.

"Epoch" and "era" are synonyms describing a period of time. The other words are not synonymous with epoch and do not have meaning closely related to time.