The noun "ambiance" refers to the character, atmosphere, climate of an environment. So, somewhere warm and friendly will have a positive and welcoming "ambiance." Additionally, "occupation" and "vocation" are synonyms, both words mean job, what you do for a living; a "fissure" is a crack in something; "fusion" is the process of joining two or more things together.

The noun "decadence" refers to the moral decline of a society due to a loss of moral values. Synonyms include "sin," "vice," and "depravity." Additionally, "virtue" is the antonym of "vice," it means goodness, righteousness. Finally, "sloth" (which means laziness), "greed," and "envy" are examples of the "seven deadly sins."

The noun "genre" means category, classification, where something fits based on what characteristics it shares with other similar things. So, for example a funny movie about love would fit under the "genre" of romantic-comedy movies. Additionally, a "prediction" is a statement made about what one thinks will happen in the future; an "infant" is a baby; a "souvenir" is an item kept to remember something, a memento; a "caretaker" is someone charged with looking after someone or something else.

"Respite" means a "brief rest," a breather, a hiatus.

"Sanctity" means holiness, righteousness, or solemnity.

"Residue" means the substance that is left over from something, the debris, the trace.

"Chronology" means a list of temporal events, a timetable, an agenda.

"Hibernation" is the act of sleeping through the winter. It can also mean a state of laziness or inactivity.

A "glitch" is a malfunction, an error in a piece of machinery or technology. Additionally, an "adage" is an old-saying meant to impart some lesson; a "buffoon" is a silly and foolish person; an "adjustment" is a change made to deal with a change in circumstance; an "excursion" is an outing, a trip, a journey.

The noun "inference" means a conclusion reached using evidence, logical reasoning, and a small amount of guesswork. This is closest in meaning to "deduction" which means a decision reached through a series of mental steps based on relevant evidence. As an example, I might "deduce" or "infer" that it was raining outside because my dog came inside with wet fur, however unless I actually see the rain myself I do not know whether this is true or whether my dog simply swam in the river or drank from a hose, so I cannot be sure. Additionally, "edification" is instruction, teaching; "emancipation" is the process of being freed from slavery, servitude, or any other form of legal, political, or economic restriction; "suffrage" is the right to vote; "clemency" is mercy, forgiveness.

The noun "hysteria" refers to a fit of madness, prolonged insanity, agitation, or excitement among a group of people. This is closest in definition to "frenzy." Additionally, "perennial" means lasting for a long time, constantly reoccurring; an "altercation" is a small fight; "prejudice" is a negative idea someone has about someone before they even meet them, based on things like race, gender, or religious affiliation; "banter" is playful teasing among friends.

The noun "levity" refers to humor and lightheartedness, a lack of seriousness. Additionally, "income" is money earned or paid to you; a "hearth" is a spiritual home; "affection" is a feeling of closeness with or fondness for someone; "severity" means intensity, how severe something is.

"Animosity" means "hatred" or extreme dislike.

"Paradox" means something that is true but seems contradictory; a puzzle.

"Excess" means surplus or too much of something; more than is necessary.

"Mentality" means mindset, mood or attitude. "Animosity" is a mindset, but they are not synonyms. 

"Youth" means young; the period of time when something is young; the period before adulthood or old age.

"Semblance" means outward appearance, what people see, or veneer. 

"Zeitgeist" means a thought or a belief that is characteristic of a specific time, for example a political climate or a social trend.

"Venom" means poison in the literal sense, but can also be used to mean hatred.

"Upheaval" means a major change, a disruption or a revolution.

"Maintenance" means caring for something, supporting something, maintaining something.