| factory | factory, plant, mill, works | 名 | 工場 |
| faculty | capacity, faculty, ability, talent | 名 | 能力 |
| fade | disappear, fade, vanish | 動 | 消える |
| faint | weak, faint, fragile | 形 | 弱い |
| faint | weak, feeble, frail, faint | 形 | 弱い |
| fair | fair, equitable, balanced, even-handed | 形 | 公平な |
|---|
| fairly | pretty, quite, fairly, rather | 副 | かなり |
| fairly | quite,fairly,pretty,reasonably,mode.. | 副 | かなりの |
| faith | belief, faith, religion | 名 | 信仰 |
| fake | artificial, fake, imitation, false | 形 | 人工の |
|---|
| fake | false, fake, forged | 形 | 偽の |
| fall | fall, drop, go down | 動 | 落ちる |
| fall down | collapse, fall down, slump | 動 | 倒れる |
| false | artificial, fake, imitation, false | 形 | 人工の |
|---|
| false | false, fake, forged | 形 | 偽の |
| false | false, incorrect, wrong | 形 | 間違った |
| familiar | coｍｍon, familiar, ordinary, popular | 形 | ありふれた |
|---|
| famous | famous, well-known, notorious | 形 | 有名な |
| fancy | imagine,fancy,picture,fantasize,day.. | 動 | 想像する |
| fantasize | imagine,fancy,picture,fantasize,day.. | 動 | 想像する |
| far | distant, far, remote | 形 | 遠い |
| fare | fee, toll, fare | 名 | 料金 |
| farming | agriculture, farming | 名 | 農業 |
| fashionable | fashionable, stylish, cool, trendy | 形 | 流行の |
| fashionable | in fashion, fashionable, popular, prevalent | 形 | 流行ってる |
| fast | early, fast, quick, rapid | 形 | はやい |
| fat | fat, overweight, plump, obese | 形 | 太った |
| fat | fat, thick | 形 | 太い |
| fault | blame, fault | 名 | 責任 |
| fault | defect, shortcoming, fault | 名 | 欠点 |
| fault | mistake, error, fault | 名 | 間違い |
| fear | fear, horror, terror | 名 | 恐怖 |
| fear | worry, be anxious, be concerned, be afraid/fear | 動 | 心配する |
| fearful | frightening, fearful, terrifying | 形 | 恐ろしい |
| feature | characteristic, feature, trait | 名 | 特徴 |
| fee | fee, toll, fare | 名 | 料金 |
| fee | salary, charge, fee | 名 | 手当て |
| feeble | weak, feeble, frail, faint | 形 | 弱い |
| feel | believe, feel, imagine, think | 動 | 思う |
| feeling | feeling, emotion, sentiment | 名 | 感情 |
| feeling | atmosphere, aura, feeling | 名 | 雰囲気 |
| few | few, a few, quite a few | 形 | 少ない |
| few | few, little, bit | 形 | 少し、少々 |
| few | few, little, scarce | 形 | 少ない |
| fewer | fewer, less | 形 | 少しの |
| fierce | fierce, severe, violent | 形 | 激しい |
| fight | argue, debate, fight, quarrel | 動 | 議論する |
| fight | fight, combat, battle | 動 | 戦う |
| figure | form, shape, figure | 名 | 形 |
| file | row, line, file, rank | 名 | 行列 |
| film | movie,motion picture,film,the movies/cinema | 名 | 映画 |
| filthy | dirty, filthy, messy | 形 | 汚い |
| finally | at last, finally, after all | 副 | とうとう |
| find | discover, find, locate, track down | 動 | 見つける |
| find | find, detect | 動 | 見つける |
| fine | excellent, exquisite, fine | 形 | 優れた |
| finish | end, finish, be over | 動 | 終わる |
| finish | finish, end | 動 | 終える |
| finish | finish, end, conclusion | 名 | 終わり |
| fire | fire, lay off, dismiss | 動 | 解雇する |
| fire | fire, flame | 名 | 火、炎 |
| firm | firm, hard, solid | 形 | 固い |
| firｍ | company, firｍ, enterprise, corporation | 名 | 会社 |
| first | first, first of all, at first | 副 | 初めて |
| first of all | first, first of all, at first | 副 | 初めて |
| fit | fit, match, suit | 動 | 合う |
| fit | suitable, fit, proper | 形 | 適した |
| fix | decide, fix, determine | 動 | 決める |
| fix | fix, repair, mend | 動 | 修理する |
| flash | shine,flash,sparkle,twinkle,gleam,glare | 動 | 光る |
| flavor | taste, flavor, savor | 名 | 味 |
| floor | floor, ground, grounds | 名 | 床 |
| fluffy | soft, fluffy, tender | 形 | 柔らかい |
| flung | throw, cast, toss, flung | 動 | 投げる |
| focus | concentrate, focus | 形 | 集中する |
| follow | continue, last, ensue, follow | 動 | 続く |
| follow | follow, pursue, chase | 動 | 追う |
| food | food, dish, meal | 名 | 食事 |
| foolish | foolish, stupid, silly | 形 | ばかな |
| foot | foot, leg | 名 | 足、脚 |
| for a long time | for a long time, in a long time | 副 | 長い間 |
| for a while | a little while ago, for a while | 副 | 少しの間 |
| for oneself | by oneself, for oneself | 副 | 自分で |
| for the moment | at the moment,for the moment,for the time b.. | 副 | 今のところ |
| for the time being | at the moment,for the moment,for the time b.. | 副 | 今のところ |
| for this reason | for this reason, hence, thus, as a result, 他 | 副 | それで |
| forbid | forbid, prohibit, ban | 動 | 禁止する |
| force | force, compel | 動 | 強いる |
| force | force, power | 名 | 力 |
| forecast | forecast, prediction | 名 | 予想 |
| foreign | foreign, alien | 形 | 外国の |
| foreign | abroad, foreign, overseas | － | 海外 |
| forest | wood, woods, forest | 名 | 森 |
| forged | false, fake, forged | 形 | 偽の |
| forget | forget, leave | 動 | 忘れる |
| forget | forget, leave behind | 動 | 忘れる |
| forgive | allow, permit, forgive | 動 | 許す |
| forgive | apologize, forgive, excuse, pardon | 動 | 許す |
| form | form, shape, figure | 名 | 形 |
| former | former, late, deceased | 形 | 前の |
| fortunate | lucky, fortunate, providential | 形 | 幸運な |
| fortune | luck, fortune, chance | 名 | 運 |
| fortune | property, estate, fortune | 名 | 財産 |
| forward | impudent, cheeky, shameless, forward | 形 | 無神経な |
| foundation | base, basis, foundation | 名 | 基礎 |
| fragile | weak, faint, fragile | 形 | 弱い |
| fragrance | fragrance, aroma, perfume | 名 | 香り |
| frail | weak, feeble, frail, faint | 形 | 弱い |
| freedom | freedom, liberty | 名 | 自由 |
| freight | freight, cargo | 名 | 積荷 |
| frequently | sometimes, often, frequently | 副 | 時々､しばしば |
| fresh | fresh, new, recent | 形 | 新しい |
| friend | friend, acquaintance | 名 | 友人 |
| friendly | friendly, intimate, close | 形 | 親しい |
| frighten | frighten, intimidate, scare, terrify | 動 | 怖がらせる |
| frightening | frightening, fearful, terrifying | 形 | 恐ろしい |
| from | of, from | 前 | ～で/～から |
| from | from, since | 助 | ～から |
| from now | in the future, in future, from now | 副 | 将来は |
| from time to time | sometimes, now and then, from time to time,.. | 副 | 時々 |
| fry | bake, fry, roast, grill | 動 | 焼く |
| fun | fun, pleasant, enjoyable | 形 | 楽しい |
| funny | interesting, funny | 形 | 面白い |
| furthermore | besides, moreover, furthermore | 副 | その上 |