{ "id": 1, "title": "504 Essential Words", "slug": "504", "subject": "English", "category": "Vocabulary", "description": "A collection of essential English words to improve your vocabulary.", "difficulty": "Intermediate", "totalCards": 504, "totalCardsByDifficulty": { "A1": 10, "A2": 20, "B1": 30, "B2": 40, "C1": 50, "C2": 60 }, "status": "published", "createdAt": "2024-09-07T12:00:00Z", "updatedAt": "2025-02-01T23:44:00Z", "categories": [ { "id": 1, "title": "Lesson 1", "description": "The first lesson of the 504 Essential Words collection.", "cards": [ "abandon", "keen", "jealous", "tact", "oath", "vacant", "hardship", "gallant", "data", "unaccustomed", "bachelor", "qualify" ] }, { "id": 2, "title": "Lesson 2", "cards": [ "corpse", "conceal", "dismal", "frigid", "inhabit", "numb", "peril", "recline", "shriek", "sinister", "tempt", "wager" ] }, { "id": 3, "title": "Lesson 3", "cards": [ "typical", "minimum", "scarce", "annual", "persuade", "essential", "blend", "visible", "expensive", "talent", "devise", "wholesale" ] }, { "id": 4, "title": "Lesson 4", "cards": [ "vapor", "eliminate", "villain", "dense", "utilize", "humid", "theory", "descend", "circulate", "enormous", "predict", "vanish" ] }, { "id": 5, "title": "Lesson 5", "cards": [ "tradition", "rural", "burden", "campus", "majority", "assemble", "explore", "topic", "debate", "evade", "probe", "reform" ] }, { "id": 6, "title": "Lesson 6", "cards": [ "approach", "detect", "defect", "employee", "neglect", "deceive", "undoubtedly", "popular", "thorough", "client", "comprehensive", "defraud" ] }, { "id": 7, "title": "Lesson 7", "cards": [ "postpone", "consent", "massive", "capsule", "preserve", "denounce", "unique", "torrent", "resent", "molest", "gloomy", "unforeseen" ] }, { "id": 8, "title": "Lesson 8", "cards": [ "exaggerate", "amateur", "mediocre", "variety", "valid", "survive", "weird", "prominent", "security", "bulky", "reluctant", "obvious" ] }, { "id": 9, "title": "Lesson 9", "cards": [ "vicinity", "century", "rage", "document", "conclude", "undeniable", "resist", "lack", "ignore", "challenge", "miniature", "source" ] }, { "id": 10, "title": "Lesson 10", "cards": [ "excel", "feminine", "mount", "compete", "dread", "masculine", "menace", "tendency", "underestimate", "victorious", "numerous", "flexible" ] }, { "id": 11, "title": "Lesson 11", "cards": [ "evidence", "solitary", "vision", "frequent", "glimpse", "recent", "decade", "hesitate", "absurd", "conflict", "minority", "fiction" ] }, { "id": 12, "title": "Lesson 12", "cards": [ "ignite", "abolish", "urban", "population", "frank", "pollute", "reveal", "prohibit", "urgent", "adequate", "decrease", "audible" ] }, { "id": 13, "title": "Lesson 13", "cards": [ "journalist", "famine", "revive", "commence", "observant", "identify", "migrate", "vessel", "persist", "hazy", "gleam", "editor" ] }, { "id": 14, "title": "Lesson 14", "cards": [ "unruly", "rival", "violent", "brutal", "opponent", "brawl", "duplicate", "vicious", "whirling", "underdog", "thrust", "bewildered" ] }, { "id": 15, "title": "Lesson 15", "cards": [ "expand", "alter", "mature", "sacred", "revise", "pledge", "casual", "pursue", "unanimous", "fortunate", "pioneer", "innovative" ] }, { "id": 16, "title": "Lesson 16", "cards": [ "slender", "surpass", "vast", "doubt", "capacity", "penetrate", "pierce", "accurate", "microscope", "grateful", "cautious", "confident" ] }, { "id": 17, "title": "Lesson 17", "cards": [ "appeal", "addict", "wary", "aware", "misfortune", "avoid", "wretched", "keg", "nourish", "harsh", "quantity", "opt" ] }, { "id": 18, "title": "Lesson 18", "cards": [ "tragedy", "pedestrian", "glance", "budget", "nimble", "manipulate", "reckless", "horrid", "rave", "economical", "lubricate", "ingenious" ] }, { "id": 19, "title": "Lesson 19", "cards": [ "harvest", "abundant", "uneasy", "calculate", "absorb", "estimate", "morsel", "quota", "threat", "ban", "panic", "appropriate" ] }, { "id": 20, "title": "Lesson 20", "cards": [ "emerge", "jagged", "linger", "ambush", "crafty", "defiant", "vigor", "perish", "fragile", "captive", "prosper", "devour" ] }, { "id": 21, "title": "Lesson 21", "cards": [ "plea", "weary", "collide", "confirm", "verify", "anticipate", "dilemma", "detour", "merit", "transmit", "relieve", "baffle" ] }, { "id": 22, "title": "Lesson 22", "cards": [ "warden", "acknowledge", "justice", "delinquent", "reject", "deprive", "spouse", "vocation", "unstable", "homicide", "penalize", "beneficiary" ] }, { "id": 23, "title": "Lesson 23", "cards": [ "reptile", "rerely", "forbid", "logical", "exhibit", "proceed", "precaution", "extract", "prior", "embrace", "valiant", "partial" ] }, { "id": 24, "title": "Lesson 24", "cards": [ "fierce", "detest", "sneer", "scowl", "encourage", "consider", "vermin", "wail", "symbol", "authority", "neutral", "trifle" ] }, { "id": 25, "title": "Lesson 25", "cards": [ "architect", "matrimony", "baggage", "squander", "abroad", "fugitive", "calamity", "pauper", "envy", "collapse", "prosecute", "bigamy" ] }, { "id": 26, "title": "Lesson 26", "cards": [ "possible", "compel", "awkward", "venture", "awesome", "guide", "quench", "betray", "utter", "pacify", "respond", "beckon" ] }, { "id": 27, "title": "Lesson 27", "cards": [ "despite", "disrupt", "rash", "rapid", "exhaust", "severity", "feeble", "unite", "cease", "thrifty", "miserly", "monarch" ] }, { "id": 28, "title": "Lesson 28", "cards": [ "outlaw", "promote", "undernourished", "illustrate", "disclose", "excessive", "disaster", "censor", "culprit", "juvenile", "bait", "insist" ] }, { "id": 29, "title": "Lesson 29", "cards": [ "toil", "blunder", "daze", "mourn", "subside", "maim", "comprehend", "commend", "final", "exempt", "vain", "repetition" ] }, { "id": 30, "title": "Lesson 30", "cards": [ "depict", "motal", "novel", "occupant", "appoint", "quarter", "site", "quote", "verse", "morality", "roam", "attract" ] }, { "id": 31, "title": "Lesson 31", "cards": [ "commuter", "confine", "idle", "idol", "jest", "patriotic", "dispute", "valor", "lunatic", "vein", "uneventful", "fertile" ] }, { "id": 32, "title": "Lesson 32", "cards": [ "refer", "distress", "diminish", "maximum", "flee", "vulnerable", "signify", "mythology", "colleague", "torment", "provide", "loyalty" ] }, { "id": 33, "title": "Lesson 33", "cards": [ "volunteer", "prejudice", "shrill", "jolly", "witty", "hinder", "lecture", "abuse", "mumble", "mute", "wad", "retain" ] }, { "id": 34, "title": "Lesson 34", "cards": [ "candidate", "precede", "adolescent", "coeducational", "radical", "spontaneous", "skim", "vaccinate", "untidy", "utensil", "sensitive", "temperate" ] }, { "id": 35, "title": "Lesson 35", "cards": [ "vague", "elevate", "lottery", "finance", "obtain", "cinema", "event", "discard", "soar", "subsequent", "relate", "stationary" ] }, { "id": 36, "title": "Lesson 36", "cards": [ "prompt", "hasty", "scorch", "tempest", "soothe", "sympathetic", "redeem", "resume", "harmony", "refrain", "illegal", "narcotic" ] }, { "id": 37, "title": "Lesson 37", "cards": [ "heir", "majestic", "dwindle", "surplus", "traitor", "deliberate", "vandal", "drought", "abide", "unify", "summit", "heed" ] }, { "id": 38, "title": "Lesson 38", "cards": [ "biography", "drench", "swarm", "wobble", "tumult", "kneel", "dejected", "obedient", "recede", "tyrant", "charity", "verdict" ] }, { "id": 39, "title": "Lesson 39", "cards": [ "unearth", "depart", "coincide", "cancel", "debtor", "legible", "placard", "contagious", "clergy", "customary", "transparent", "scald" ] }, { "id": 40, "title": "Lesson 40", "cards": [ "epidemic", "obesity", "magnify", "chiropractor", "obstacle", "ventilate", "jeopardize", "negative", "pension", "vital", "municipal", "oral" ] }, { "id": 41, "title": "Lesson 41", "cards": [ "complacent", "wasp", "rehabilitate", "parole", "vertical", "multitude", "nominate", "potential", "morgue", "preoccupied", "upholstery", "indifference" ] }, { "id": 42, "title": "Lesson 42", "cards": [ "maintain", "snub", "endure", "wrath", "expose", "legend", "ponder", "resign", "drastic", "wharf", "amend", "ballot" ] } ] }