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英単語の部屋を科学する ver.1.00

作成年月日
2017年8月23日
更新年月日
2018年7月6日

英単語の部屋とは?

こちらの 3,000 語の英単語リスト。SVL 12,000 語に含まれない単語を上級教材から集めたもの。筆者も五億年前に暗記した。

予備知識

COCA60k RANK

"Corpus of Contemporary American English" の 60,000 語のリストに含まれる頻出順位の値。大きいほど遭遇確率が下がる。筆者の経験では RANK 36,000 くらいまで覚えればその後のボキャビルから一生解放される。

AoA %

"Age-of-acquisition ratings" の 51,715 語のリストに含まれる Perc_known_lem の値。ネイティブにどれくらい馴染みがあるかの指標。最大で 1 (100%)。

さっそく分析してみる

COCA60k に含まれない単語

224 語。これらに遭遇する確率は恐ろしく低い。少なくとも SVL を終えたばかりの段階で覚える必要はまったくない。

AoA に含まれない単語

639 語。AoA のリストに入れてもらえないくらい非日常な単語。ただし AoA は副詞と略語を含まないので、そのぶんは割り引いて考える必要あり。

上記の重複を除いた合計

731 語。

統計情報

上記を除いて値のあるものだけを処理。

COCA60k RANK

対象  : 2,774 語
最小値 : 1,417
最大値 : 59,755
平均値 : 20,735
標準偏差: 10,410.73

バラつきが非常に大きく、平均値の 20,000 を超える単語は 1,296 語 (43.23%) に及ぶ。これに RANK 外の 224 語を足すと 1,520 語となり、英単語の部屋全体の 50% を超えてしまう。15,000 語レベルにしては難しすぎる。

AoA %

対象  : 2,359 語
最小値 : 0.1000
最大値 : 1.0000
平均値 : 0.8772
標準偏差: 0.1654

平均値が 0.90 を切っている。%が 0.90 未満の単語は 957 個に及ぶ。

散布図

横軸に RANK を、縦軸に%を取っている。15,000 語レベルとして適切と思われる「RANK 20,000 以下かつ AoA 0.90 以上」は左上の象限の 956 語 (31.89%) しかない。

極限の英単語

ここで、筆者が作成した「極限の英単語 Vol.1 15000語レベル」の 3,001 語を見てみよう。こちらも SVL 12,000 語との重複はない。

同じ分析をしてみる

COCA60k に含まれない単語

0 語。なし。COCA に準拠している。

AoA に含まれない単語

513 語。この点は英単語の部屋とあまり変わらない。

統計情報

上記を除いて値のあるものだけを処理。

COCA60k RANK

対象  : 3,001 語
最小値 : 1,814
最大値 : 20,352
平均値 : 15,863
標準偏差: 3,469.90

15,000 語レベルの教材として、非常に良い値が出ている。RANK 20,000 以下を中心に、SVL が取りこぼしている頻出の基本単語を漏れなく拾っている。

AoA %

対象  : 2,488 語
最小値 : 0.2778
最大値 : 1.0000
平均値 : 0.9287
標準偏差: 0.1127

平均値が 0.90 を上回っている。%が 0.90 未満の単語は 661 個に留まる。

散布図

横軸に RANK を、縦軸に%を取っている。RANK 20,000 以下の単語は 2,847 語 (94.87%) に及ぶ。うち AoA 0.90 以上の単語は赤線の上 1,827 語 (60.88%) となり、英単語の部屋の倍近くとなっている。

結論

以上、極限の英単語のダイレクトマーケティングでした。

おまけ:英単語の部屋の 956 語 (RANK 20,000 以下かつ AoA 0.90 以上)

abduction / absolve / abysmal / accreditation / acidic / acknowledged / acknowledgement / acne / activation / activism / ad / adaptive / added / adoptive / affective / affliction / affordable / aforementioned / agility / agreed / AIDS / airfield / airy / algorithm / allied / alright / ambience / ambient / ambivalence / amino / amnesia / amp / amphibious / amplifier / amputation / anal / anemic / annihilation / anonymity / anthology / antioxidant / appendage / appointed / appraisal / approved / approximation / arbitrator / archaeological / artifact / artistry / artwork / assailant / asshole / associated / asterisk / atonement / attached / attacker / attribution / auditory / authorization / automation / autopsy / availability / aviator / awaken / awry / axle / backlog / backtrack / ballistic / ballroom / barbaric / battered / beefy / beeper / belated / berate / berserk / bewildered / biblical / bidding / binge / biochemical / biodiversity / biosphere / birdie / blackness / blah / blare / blazing / blissful / blitz / blob / blockade / blockbuster / blonde / bloodshed / bloodstream / blurry / bob / bombing / bonnet / braided / breezy / broach / brooding / brothel / bucked / bunker / bunny / busting / bystander / camaraderie / canister / canned / captivation / careen / caricature / carnage / carousal / catalogue / catalytic / catfish / causation / celibacy / certification / chafe / changing / charade / charisma / chartered / checkered / chloride / choppy / choreograph / choreography / chronological / chunky / citrus / civilized / clarification / climber / clique / clove / cocky / cocoon / cog / cognizant / coincidental / collaborative / collaborator / coming / commotion / competency / competitiveness / concurrent / concussion / condo / conducive / conduit / confidant / configure / confrontational / congested / congratulation / congressman / congruent / contaminated / contiguous / continued / continuing / controlled / coordinator / correlate / corrosion / corrugated / counterpoint / coupling / cranky / crashing / craving / credence / credential / crescendo / critter / crock / crotch / crucifix / crunchy / crusty / cubicle / cultured / custodial / dampen / darkroom / dazzling / deadlock / debunk / decadent / decode / decompose / decomposition / deductible / defraud / defuse / dehydrate / dehydration / deject / delectable / deliberation / delusion / demean / demote / denominator / departmental / dependable / depiction / deployment / derail / desired / desolation / despicable / detectable / detonate / detonation / devastation / deviation / diagnostic / differentiation / diffusion / digger / dignified / dignitary / directional / disarray / disc / disclaimer / discriminatory / disembark / disengage / dislocation / dismissive / dispatcher / dispenser / dispersal / disprove / disservice / distasteful / distributed / diversification / divisive / doable / doomed / dosage / downside / downsize / drainage / duplex / duplication / durability / dysfunction / earmark / earthy / edgy / effectiveness / elated / eldest / elected / electrode / electromagnetic / elevation / emancipation / emerald / empathize / emphysema / encroachment / encryption / energize / engraving / engross / enhancement / ensuing / entanglement / entirety / entrant / entrepreneur / entrepreneurial / enumerate / epiphany / equate / equitable / established / ethanol / ethnicity / eulogy / euro / evaporation / exaggerated / exam / excavation / executioner / exonerate / expansive / expected / experimentation / expiration / exploratory / exterminate / extermination / extortion / extracurricular / extraterrestrial / extravaganza / exuberance / failed / famed / fanatical / fascinated / fascist / fatten / faucet / faux / favoritism / feisty / felony / fennel / fetal / fewer / fictitious / finale / finalize / fixation / flaky / flammable / flashy / fleck / flipper / flipping / floral / flunk / fondness / foodstuff / foreboding / foregoing / formative / forwards / frailty / freighter / frenzied / fridge / fundamentalist / fundraiser / furnishings / gait / gargantuan / gawk / gel / generalized / genocide / geographic / geologist / getaway / geyser / gimmick / gist / glazed / gleaming / glitch / glittering / glorify / goof / goofy / gosh / Gothic / gourd / grainy / granny / graphical / graphics / grassy / gratifying / gravitate / gravitational / grazing / greenery / gripe / grisly / gritty / grizzly / growing / gruff / grumpy / guinea / gymnast / hallow / hamlet / harmonic / harmonics / headway / heartfelt / heinous / helper / hemp / hives / homelessness / hooker / horrific / hospitalization / huff / hunk / hushed / hustler / hydraulic / hydrophobia / hypnotic / hypothetical / icing / immediacy / immersion / impartial / impeding / impenetrable / implausible / improved / improvisation / inanimate / incarcerate / incarceration / incision / inclement / incorporation / increment / incremental / incubate / indebted / indentation / indicative / indiscriminate / indisputable / inequity / infidelity / infiltrate / infiltration / inflated / ingest / ingrain / inhospitable / inkling / innovative / insanity / insulin / insurgency / interject / intermittent / internet / internment / interpersonal / interrelated / intimidating / intimidation / intoxicate / invasive / inverse / inverted / irregularity / irreverent / irreversible / irritant / itchy / jade / jaded / jersey / jitter / justified / knead / lab / lackluster / lanky / lavender / leakage / leaky / leash / leeway / lefty / letup / lifespan / limbo / limestone / lingering / linkage / loath / loathing / logistic / looming / luscious / ma / mahogany / maize / mall / malleable / malnutrition / malpractice / manslaughter / manufacturing / mash / masquerade / masterful / math / mating / mayhem / measurable / medicinal / mediocrity / meditative / memoir / memorabilia / mesmerize / metabolic / metamorphosis / meteorological / microorganism / microprocessor / mindful / minuscule / misbehave / misdeed / modular / molasses / molten / mom / monitoring / monograph / moonlit / moron / morph / mountainous / mucus / multilateral / multiplicity / murderous / mutilation / nanny / nautical / navel / negation / nerd / newlyweds / noncompliance / nostalgic / notation / notification / nugget / nuke / numerical / nutritional / obesity / obligate / observable / observing / obsessed / occupancy / odds / odyssey / offbeat / okay / openness / optics / optimize / orphanage / outage / outlandish / outlying / outskirts / outstretched / overcast / overlay / palate / paleontologist / pancreas / pancreatic / pandemic / pantry / paperwork / parasitic / pare / parked / participatory / paternity / pathogen / pathologist / patio / paving / peeling / penalize / pendent / perceived / perceptible / perceptive / perceptual / permissible / permissive / perpetrator / perplexing / personify / perversion / pesky / philanthropic / philanthropist / phobia / photo / photosynthesis / physiological / physique / picky / pictorial / piling / pinched / piracy / plaid / planned / plasma / ploy / plumbing / podium / polo / polygamy / populace / posse / posterior / potency / potion / practicality / preamble / precipitate / precondition / predictor / predispose / preemptive / preferred / premeditate / prenatal / prevalence / pricey / primer / primeval / printed / prioritize / proactive / procedural / processing / profitability / programming / prohibitive / prolonged / promotional / pronouncement / prophesy / proposed / prostate / prosthetic / protester / provocation / pulmonary / puny / pup / purchaser / purposeful / putter / qualitative / quantify / quantitative / quarterback / quirky / raccoon / racy / radiance / rambling / rampage / rancid / ranking / rationing / ravine / realtor / receptacle / reciprocity / reckoning / redevelopment / reek / referral / refinance / refined / refinery / refrigeration / regeneration / regress / regression / reimbursement / reincarnation / rejoin / reliability / remaining / remedial / renaissance / renewed / reorganization / repayment / repercussion / replication / reprehensible / reprisal / repugnant / repulsive / reputable / required / residency / respiration / respirator / responsiveness / restructuring / resulting / retainer / retardation / reverend / revised / rhetorical / richness / rickety / righteousness / rightful / roadblock / ruined / rum / running / runny / ruse / saline / sanitation / sassy / satin / satirical / saturated / savvy / scaffold / scaffolding / scam / scamper / scanner / scarecrow / scavenge / scavenger / scented / schoolchild / sclerosis / scribe / scriptural / seasoned / sec / seclusion / secretion / seduction / seer / selected / semantics / semen / sensuality / sequential / serenity / serving / severance / sexism / shack / shaky / shambles / shank / shard / shared / sharper / shortfall / shotgun / siding / simulated / sinful / sinus / siphon / sizeable / sketchy / skew / skimpy / skit / skylight / sleeping / slink / slush / snapper / snappy / sneaky / snicker / snipe / snout / sobriety / solicitation / soluble / soothing / sorority / soy / spatula / specificity / specified / spending / splatter / spokeswoman / spooky / spotty / standstill / starving / statewide / statistic / steroid / stethoscope / stipend / stipulation / strained / strategist / stratosphere / stroller / sub / subjectivity / subset / suburbia / suitability / summons / supplemental / supporting / surreal / sustaining / sweaty / sweepstakes / swimming / swish / symptomatic / synchronize / synonymous / syphilis / syringe / tacky / talking / taxable / teeming / telecommunication / template / tenacity / tendon / terms / thanks / thorny / threads / throbbing / tidbit / tirade / tit / tonsils / torque / toxicity / toxin / trained / transcendence / transcendent / transcription / transgression / transnational / traumatic / travesty / trembling / tribulation / tributary / trilogy / trinket / trivia / troubled / trouser / tundra / turret / tycoon / umbilical / unaccounted / unaffected / unassuming / unbiased / unconscionable / undaunted / underscore / unfounded / unified / unison / unlawful / unload / unrealistic / unresolved / untimely / unused / upcoming / upkeep / upscale / uptake / uptight / urinate / uterus / vaccination / validation / vampire / vaporize / variability / variance / varying / vegan / veggie / versed / vertebra / vestibule / vet / veterinary / viability / vial / vigilance / vigilante / vineyard / violator / viral / voracious / vortex / vulnerability / wacky / waddle / wallow / washing / wearing / weasel / wedlock / weeping / welding / whereabouts / whilst / whisky / wishful / wobbly / workforce / workhorse / working / workload / works / workstation / wreak / wrongful / yen / yummy