"Anguish" is a feeling of sustained pain and suffering, and as such, it is most similar in meaning to "torment." To help you, "toil" means work or labor, "fundamental" means basic or simple but very important, "tenacious" means stubborn or firm, and clarity means clearness, precision, or understanding.

"Brevity" is shortness, specifically either shortness of a duration of time or shortness of a written text. The best choice is "shortness" because it is a part of the definition of "brevity." Considering the other choices, "hostile" means not friendly, "strangeness" means the quality of being weird or unusual, and a "clamor" is a loud outcry.

The word "kismet" means fate or destiny. The best choice is "fate," as it is a part of the definition of "kismet." Considering the other choices, "faith" is confidence or trust in something, "shun" means avoid, and "secret" means done without the knowledge of others when used as an adjective, or certain information kept from others when used as a noun.

A "platitude" is an overused saying. The best choice is "cliché," which means an overused phrase or saying.

"Temerity" is another word for reckless courage or boldness. The best choice is "boldness" because it is a part of the definition of "temerity." Considering the other choices, "harmony" is agreement, "loose" means free or released from attachment, and "visible" means possible to see.

"Treason" means betrayal or disloyalty to one's country, so "betrayal" is the correct answer. A "passage" is a narrow path used to reach a location. "Warden" means the official who runs a prison. "Habitat" means the home or area where an animal or plant lives. An "editorial" is an opinionated article published by a newspaper or news source, and when used as an adjective, "editorial" means having to do with the editing of written works in preparation for their publication.

"Gossip" is rumor or information that is covertly passed around, often about a particular person, that has not necessarily been substantiated. A "hemisphere" is one half of a globe or sphere, as you may have guessed from the word's use of the prefix "hemi-," which means half. "Jealousy" is a feeling of envy or wanting something another person has. A "paleontologist" is a scientist who studies fossils. A "matinee" is a performance or movie held during the afternoon that often costs less to attend than an evening event of the same type.

An "adage" is a common expression. "Saying," which means an expression commonly said by a group, is the best choice. Considering the other choices, "gain" means profit, "divulgence" means making something private known, and "carouse" means party loudly and excessively.

A “plethora” is an excess of things; having more of something than you need. To provide further guidance, "scarce" means little or rare; "nullify" means cancel, render void, invalidate; "gumption" is confidence and bravado; "obliterate" means completely destroy.

A "bulletin" is an announcement. To help you, a "rebuttal" is a speech given in reply during an argument or debate; "resignation" means notice given when quitting a job; "abdication" means to give up the throne; "resettlement" is a name given to somewhere people used to live that people are now moving back to.