Synonyms

"Detect" is a correct synonym for "discover" - both words mean to find, notice, or identify something. Detection is the process of discovering or revealing something. The other options are incorrect: "high" means elevated, "indolent" means lazy, and "effect" is a noun (a result), not a verb meaning to discover.

"Sparkle" is a correct synonym for "twinkle" - both describe shining with intermittent flashes of light. Stars twinkle, diamonds sparkle - they describe similar visual effects. The other options are incorrect: "drop" means to fall, "gloom" means darkness, and "wonder" means to feel amazed.

"Guru" is a correct synonym for "teacher" in Sanskrit-derived contexts - a guru is a spiritual guide, mentor, or teacher in Indian traditions. The word has been adopted into English with this meaning. The other options are incorrect: "sluggish" means slow, "anarchy" means chaos, and "wealth" means riches.

"Demon" is a correct synonym for "incubus" in its literal sense - an incubus is a male demon believed to lie on sleeping people. Metaphorically, an incubus can also mean a burden or oppressive worry. The other options are incorrect: "talented" means gifted, "overlook" means to miss, and "reason" means logic.

Wedlock refers to the state of being married. Espousal means marriage or the act of marrying someone, making it the correct synonym. Marine refers to the sea, nautical relates to sailing, and base means fundamental or the bottom part.

Self-indulgence means allowing oneself to gratify desires and enjoy pleasures without restraint. Extravagance means spending more than necessary or wastefulness. While related (both involve excess), they're not perfect synonyms. However, among the given options, Extravagance is the closest match.

Descry means to catch sight of, discover, or discern something, often with effort. Survey can mean to look at or examine something comprehensively. While both involve observation, they're not perfect synonyms. However, among the options, Survey is semantically closest to Descry's meaning of careful observation.

Grace can mean mercy, clemency, or a temporary reprieve. Mercy means compassion or forgiveness shown to someone in one's power. These are synonymous in this context. Oblivion (forgetfulness), Suppress (restrain), and Severity (harshness) are unrelated to this meaning of grace.

In mathematical and general usage, 'mean' can refer to the middle position, average, or midpoint - making it a valid synonym for 'middle' in certain contexts. As a noun, mean refers to an intermediate position or average. Conceal (hide), Pattern (design), and Pity (sympathy) are unrelated.

Perdition means eternal punishment, damnation, or complete ruin and destruction. Destruction is the closest synonym among the options, referring to causing severe damage or ruin. While not a perfect theological match, Destruction is semantically very close to Perdition's meaning of utter ruin.

Affection refers to a feeling of fondness, liking, or gentle love. Attraction can mean a force that draws things together or a feeling of being drawn to someone or something. These are closely related - affection often involves emotional attraction. Rival (competitor), Neglect (ignore), and Quit (leave) are incorrect.

While 'brain' literally refers to the organ, it can metaphorically refer to intellect, intelligence, or mental capacity. Intellect means the ability to think and understand, which is the faculty associated with the brain. This makes them synonyms in the context of mental capacity. Flare (burst), Dread (fear), and Found (establish) are unrelated.