"Onus" is a synonym for "burden," obligation, or responsibility. Don't confuse this with "opus," which is a work, or "opal," which is a gemstone. "Lucidity" is clearness. A "lexicon" is a dictionary or vocabulary list.

"Atonement" is another word for "expiation," making amends for one's wrongdoings. "Alacrity" means liveliness or quickness. "Alarm" is awareness of and worry about danger. "Solicitude" is concern and care. "Clemency," or mercy, is one possible response to a person's attempts at atonement.

An "interlude" is an "intermission" or pause between two acts. This is different from an "intervention," or the act of intervening to solve a problem. A "catastrophe" is a disaster. A "melody" is a song or sequence of musical notes. "Atonement" is a synonym for "expiation" or penance.

"Apostasy" is either the formal renunciation of a belief or the proclamation of heretical belief, both of which usually occur in the context of religion. "Propinquity" and "proximity" are synonyms for nearness. "Onus" means burden or obligation, and "exuberance" means excitement, enthusiasm, and cheerfulness.

"Preponderance" means "majority," prevalence, or predominance. "Lassitude" is lethargy, and an "elegy" is a lament or threnody. "Penchant" is a synonym for "proclivity."

An "aberration" is a noun meaning a departure from what is normal or expected. "Abnormality" is a synonym meaning an unusual feature, characteristic, or occurrence. "Disapproval" is a possession or expression of an unfavorable opinion, "assimilation" means the absorbing of information and experiences, "allowance" means the amount of something that is permitted, and "abhorrence" means a feeling of repulsion.

"Vituperation" is a synonym for "invective," which means harsh verbal abuse. While "vituperation" is hateful, it is not a direct synonym for "hatred." "Censorship" is another word for expurgation, and "affiliation" is another word for association with or endorsement by. "Envy" means jealousy.

The "provenance" of an object (particularly artwork) is the same thing as its "origin." Don't confuse "provenance" with "provisions," which means food and supplies. "Probity" means moral uprightness, integrity. "Futility" means pointlessness, and "affection" means love, fondness, or friendly feelings.

A "myriad" of something is a "multitude" or plethora of that thing. This is an antonym for "surfeit," or scarcity. "Hollowness" describes the state of being empty inside (either figuratively or literally), and "chicanery" is another word for trickery. "Roguishness" is the quality of being a rascal or a scamp.

"Serendipity" is luckiness or good fortune. This is the opposite of a "curse," or bad fortune. "Zeal" is ardor, fervor, extreme enthusiasm. "Wariness" is cautiousness, hesitancy. "Proclivity' is a synonym for "penchant."