"Canine" is a word that can be used as either a noun or an adjective; because all of the answer choices are nouns, we will need to consider "canine" as a noun. When used as a noun, "canine" means a dog, so "dog" is the correct answer. None of the other answer choices are close in meaning to "canine" or "dog": a "college" is a university or a school of higher learning; a "foundation" is the base of a structure or a starting point; a "tribute" is something done to show appreciation or respect for another; and an "epidemic" is a widespread disease or illness.

"Torrent" is a deluge or overflow of water. "Aroma" is a smell. "Stalemate" is a position in which neither party can advance or move forward. "Debris" is waste or trash. "Allegiance" means loyalty or faithfulness to a person or cause.

"Bounty" means loot, money, or something of value. "Vegetation" means plants or crops. "Cache" is a stash of items stored away. "Candor" means honesty. "Quarrel" means argument or fight.

"Aperture" is an opening or hole. "Artifact" is a relic or an object of significant importance. "Florist" is a person who cares for and sells flowers. "Agility" means quickness. "Cellar" is a room below a home and is usually used to store wine.

"Cache" is a stash of something stored or hidden away. "Catastrophe" means a disaster or event causing great damage. "Fidelity" means loyalty or faithfulness. "Elation" means great happiness or joy. "Remark" means a comment or a mention.

"Ravine" means a deep gorge. "Antidote" is a medicine or treatment that counteracts or neutralizes a poison. "Foe" is an opponent or enemy. "Abduction" is a kidnapping. "Resignation" is the act of giving up a job or position.

"Effigy" is a statute or sculpture of a person. "Invective" is a verbal attack. "Epidemic" is a widespread disease. "Oration" is a formal speech. "Plethora" means abundant or plentiful.

The "cusp" of something is the point or end of it. The best choice is "edge," since it has the same meaning. All of the other choices are unrelated in meaning.

A “citadel” is a fortress that commands a city, so "fortress" is the correct answer. None of the other answers are close in meaning to “citadel”. “Savior” means rescuer. “Chemical” means a purified substance, element, or compound. “Team” means group or crew. A “print” is a pattern or a reproduction.

A “hull” is a shell or covering. It can also mean the main body of a vessel. So, "shell" is the correct answer. None of the other answers are close in meaning to “hull”. “Safety” means protection. “Mistake” means error. A “pastry” is a type of food that consists of baked dough. A “river” is a large stream of water.