| 気 | き | spirit; mind; heart; nature | n4 |
| 人気 | にんき | popularity; public favor; condition (e.g. market); tone | n4 |
| 病気 | びょうき | illness (usu. excluding minor ailments, e.g. common cold); disease; sickness; bad habit | n4 |
| 気持ち | きもち | feeling; sensation; mood; state of mind | n4 |
| 空気 | くうき | air; atmosphere; mood; situation | n4 |
| 電車 | でんしゃ | train; electric train | n5 |
| 気持 | きもち | feeling; sensation; mood; state of mind | n4 |
| 電話 | でんわ | telephone call; phone call; telephone (device); phone | n5 |
| 元気 | げんき | lively; full of spirit; energetic; vigorous | n5 |
| 気分 | きぶん | feeling; mood | n4 |
| 気の毒 | きのどく | pitiful; unfortunate; poor; miserable | n3 |
| 気がつく | きがつく | to notice; to realize; to realise; to become aware (of) | n1 |
| 電気 | でんき | electricity; (electric) light | n5 |
| 電氣 | でんき | electricity; (electric) light | n5 |
| 気づく | きづく | to notice; to realize; to realise; to become aware (of) | n4 |
| 雰囲気 | ふんいき | atmosphere; mood; ambience; ambiance | n2 |
| 平気 | へいき | cool; calm; composed; unconcerned | n3 |
| 天気 | てんき | weather; fair weather; fine weather | n5 |
| 勇気 | ゆうき | courage; bravery; valour; valor | n2 |
| 合気道 | あいきどう | aikido | |
| お気に入り | おきにいり | favorite; favourite; pet (e.g. teacher's pet); bookmark (in a web browser) | n2 |
| 気に入る | きにいる | to like; to be pleased with; to be delighted with; to take a liking to | n4 |
| 電力 | でんりょく | electric power | n2 |
| 気候 | きこう | climate | n2 |
| 電灯 | でんとう | electric light | n3 |
| 電燈 | でんとう | electric light | n3 |
| 電子 | でんし | electron; electronic | n4 |
| 気味 | きみ | sensation; feeling; tendency; propensity | n2 |
| 気軽に | きがるに | freely; readily; cheerfully; without any sense of hesitation | |
| 電池 | でんち | battery; cell | n3 |
| 発電 | はつでん | generation of electricity; power generation; sending a telegram (now usu. for congratulations, condolences, etc.); telegraphing | n2 |
| 發電 | はつでん | generation of electricity; power generation; sending a telegram (now usu. for congratulations, condolences, etc.); telegraphing | n2 |
| 本気 | ほんき | seriousness; earnestness; truth; sanctity | n2 |
| 気配 | けはい | indication; sign; hint; sensation | n2 |
| 気付く | きづく | to notice; to realize; to realise; to become aware (of) | n4 |
| 発電所 | はつでんしょ | power plant; power station | |
| 無邪気 | むじゃき | innocent; childlike; sweet and innocent; artless | n1 |
| 陽気 | ようき | cheerful; jovial; merry; lively | n3 |
| 一気に | いっきに | in one go; in one gulp; in one breath; without stopping | n2 |
| 気質 | きしつ | disposition; temperament; nature; mentality | n1 |
| 意気 | いき | spirit; heart; disposition | n1 |
| 何気ない | なにげない | casual; unconcerned; nonchalant; indifferent | n1 |
| 気温 | きおん | (air) temperature | n3 |
| 陰気 | いんき | gloomy; dismal; miserable; melancholy | |
| 気が付く | きがつく | to notice; to realize; to realise; to become aware (of) | n1 |
| 気象 | きしょう | weather (conditions); disposition; temperament | n2 |
| 不気味 | ぶきみ | weird; eerie; ominous; creepy | |
| 景気 | けいき | business conditions; the market; economic activity; economic climate | n2 |
| 気楽 | きらく | carefree; comfortable; at ease; easygoing | n2 |
| 気力 | きりょく | willpower; energy; vitality | n2 |
| 電報 | でんぽう | telegram | |
| 浮気 | うわき | extramarital sex; affair; fooling around; infidelity | |
| 生意気 | なまいき | impertinent; saucy; cheeky; impudent | n1 |
| 意気地 | いくじ | self-respect; self-confidence; guts; backbone | n2 |
| 大気 | たいき | atmosphere; air; magnanimous; generous | n1 |
| 湯気 | ゆげ | steam; vapour; vapor | |
| 狂気 | きょうき | madness; insanity | n1 |
| 根気 | こんき | patience; perseverance; persistence; tenacity | n2 |
| 寒気 | さむけ | chill; the shivers; shivering fit | |
| 気取る | きどる | to be affected; to put on airs; to act like (something one isn't); to pretend to be | |
| 蒸気 | じょうき | steam; vapour; vapor; steamboat | n1 |
| 電流 | でんりゅう | electric current | |
| 気色 | きしょく | mood; humor; humour; looks | |
| 正気 | しょうき | sanity; consciousness; soberness | |
| 呑気 | のんき | easy; easygoing; carefree; happy-go-lucky | |
| 電子書籍 | でんししょせき | ebook; e-book; electronic book; digital book | |
| 気味悪い | きみわるい | unpleasant; uncomfortable; creepy; spooky | |
| 気軽 | きがる | carefree; buoyant; lighthearted; sprightly | n2 |
| 気味が悪い | きみがわるい | creepy (feeling); uneasy (feeling); bad (feeling); giving one the creeps | |
| 気性 | きしょう | disposition; temperament; temper; nature | n2 |
| 活気 | かっき | energy; vigour; vigor; liveliness | n2 |
| 気がする | きがする | to feel (as if); to have a feeling (that); to have a hunch (that); to get a sense (that) | |
| 気をつける | きをつける | to be careful; to pay attention; to take care | n3 |
| 呆気 | あっけ | being taken aback; state of shock; dumbfoundedness | |
| 気違い | キチガイ | madness; insanity; madman; lunatic | |
| 無気味 | ぶきみ | weird; eerie; ominous; creepy | |
| 電圧 | でんあつ | voltage | |
| 家電 | かでん | household (electrical) appliances; home appliances; consumer electronics | n2 |
| 電源 | でんげん | source of electricity; electrical power; power (button on TV, etc.) | n2 |
| お電話 | おでんわ | telephone call; telephone (device) | |
| 乾電池 | かんでんち | dry cell battery | |
| 湿気 | しっけ | moisture; humidity; dampness | n3 |
| 色気 | いろけ | colouring; coloring; shade of colour (color); sex appeal (esp. of women) | n1 |
| 臭気 | しゅうき | bad smell; stink | |
| 生気 | せいき | life; vitality; verve; vigor | n1 |
| 電線 | でんせん | electric line; electric cable; power cable; telephone line | n1 |
| やる気 | やるき | will (to do something); drive; motivation; enthusiasm | n2 |
| 気勢 | きせい | fervour; fervor; vigour; vigor | n2 |
| 気まぐれ | きまぐれ | whim; caprice; fancy; capricious | n1 |
| 気風 | きふう | character; traits; ethos | |
| 気まま | きまま | willful; wilful; selfish; self-centered | n1 |
| 気絶 | きぜつ | faint; fainting; losing consciousness | |
| 気高い | けだかい | sublime; noble; high-minded | |
| 電光 | でんこう | lightning; electric illumination; light from an electric source | |
| 血の気 | ちのけ | blood (in one's face, cheeks, etc.); colour; color; hot-bloodedness | |
| 暢気 | のんき | easy; easygoing; carefree; happy-go-lucky | |
| 気がかり | きがかり | worry; anxiety; concern | n1 |
| 気品 | きひん | elegance; refinement; grace; dignity | |
| 香気 | こうき | fragrance | |
| 不景気 | ふけいき | economic slump; hard times; depression; recession | n1 |
| 眠気 | ねむけ | sleepiness; drowsiness | n2 |
| 気づかう | きづかう | to worry about (someone's welfare or comfort); to feel anxious about; to have apprehensions of | n1 |
| 大人気 | だいにんき | very popular; highly favoured | |
| 気まずい | きまずい | unpleasant; awkward; embarrassing; uneasy | n1 |
| 血気 | けっき | vigor; vigour; ardor; ardour | n1 |
| 内気 | うちき | shy; bashful; timid; reserved | |
| 上気 | じょうき | flushing (of one's cheeks); dizziness; rush of blood to the head | n1 |
| 水蒸気 | すいじょうき | water vapour; water vapor; steam | n1 |
| 電信 | でんしん | (electric) telegraph; telegraphy; telegraphic communication; telegram | |
| 気遣い | きづかい | consideration; concern; fear; worry | |
| 語気 | ごき | tone; manner of speaking | |
| 無効電力 | むこうでんりょく | reactive power | |
| 新電力 | しんでんりょく | new power utility company (created after market liberalization) | |
| 気遣う | きづかう | to worry about (someone's welfare or comfort); to feel anxious about; to have apprehensions of | n1 |
| 電気力線 | でんきりきせん | line of electric force | |
| 気むずかしい | きむずかしい | hard to please; difficult; particular; fussy | |
| 電波 | でんぱ | radio wave; reception; signal; saying strange things | n2 |
| 充電 | じゅうでん | charging (electrically); recharging one's batteries (e.g. by taking a nap); replenishing (one's energy) | n2 |
| 気合 | きあい | (fighting) spirit; motivation; effort; shout (for getting in the right mood to deal with something, etc.) | n1 |
| 殺気 | さっき | thirst for blood; bloodlust; determination to kill | n3 |
| 意気込み | いきごみ | ardor; enthusiasm | n1 |
| 気焔 | きえん | high spirits; boastful talk | |
| 電気工事 | でんきこうじ | electrical work | |
| 堅気 | かたぎ | honest; respectable; decent; respectable occupation (i.e. not yakuza, prostitute, etc.) | |
| 電動 | でんどう | electrically powered; electric | n2 |
| 電柱 | でんちゅう | utility pole; power pole; telephone pole; telegraph pole | n1 |
| 潮力発電 | ちょうりょくはつでん | tidal power generation | |
| 短気 | たんき | short temper; quick temper; hot temper; impatience | n3 |
| 気狂い | キチガイ | madness; insanity; madman; lunatic | |
| 気魄 | きはく | spirit; soul; drive; vigor | n1 |
| 気兼ね | きがね | constraint; reserve; feeling hesitant; being afraid of troubling someone | n2 |
| 気にいる | きにいる | to like; to be pleased with; to be delighted with; to take a liking to | n4 |
| お天気 | おてんき | weather; mood; temper | |
| 水気 | みずけ | water content; moisture; juiciness; dampness | |
| 気体 | きたい | gas; vapour; vapor; gaseous body | n2 |
| 換気 | かんき | ventilation | n1 |
| 電荷 | でんか | electric charge; charge | |
| 気取り | きどり | affectation; pretension; posturing; posing as | |
| 気圧 | きあつ | atmospheric pressure; air pressure; atmosphere (unit of pressure) | n2 |
| 夜気 | やき | night air; stillness of night; cool evening | |
| 停電 | ていでん | power outage; power failure; power cut; blackout | n3 |
| 気象庁 | きしょうちょう | (Japanese) Meteorological Agency; JMA | |
| 電話番号 | でんわばんごう | telephone number; phone number | n5 |
| 勝気 | かちき | determined spirit; unyielding spirit; will | |
| 薄気味悪い | うすきみわるい | weird; eerie; uncanny | |
| 悪気 | わるぎ | ill will; malice; evil intent | |
| 邪気 | じゃき | malice; ill will; bad air; noxious vapour | |
| 熱気 | ねっき | heat; hot air; enthusiasm; excitement | |
| 弱気 | よわき | timid; weak-kneed; fainthearted; bearish | n1 |
| 気持ちよい | きもちいい | pleasant (of a sensation); comfortable; nice; cheerful | |
| 電力会社 | でんりょくがいしゃ | (electric) power company | |
| 才気 | さいき | wisdom | |
| 携帯電話 | けいたいでんわ | mobile phone; cell phone | n4 |
| 蓄電池 | ちくでんち | storage battery | |
| 電子レンジ | でんしレンジ | microwave oven | n4 |
| 無気力 | むきりょく | apathy; lassitude; lethargy; languor | n1 |
| 電子版 | でんしばん | electronic edition; online edition | |
| 二十四節気 | にじゅうしせっき | 24 solar stems (terms used to denote the changing of the seasons); 24 divisions of the Chinese solar year | |
| 気心 | きごころ | temper; disposition | n1 |
| 電球 | でんきゅう | light bulb | n3 |
| 意気込む | いきごむ | to be enthusiastic (about); to be eager (to do); to be keen; to be intent (on) | n1 |
| 磁気 | じき | magnetism | n3 |
| 電 | いなずま | lightning; flash of lightning; lightning bolt | |
| 冷気 | れいき | cold; chill; cold weather; cold wave | |
| 原子力発電所 | げんしりょくはつでんしょ | nuclear power plant; nuclear power station | |
| 気紛れ | きまぐれ | whim; caprice; fancy; capricious | n1 |
| 電界 | でんかい | electric field | |
| 暑気 | しょき | summer heat; hot weather; heatstroke | n2 |
| 暖気 | のんき | easy; easygoing; carefree; happy-go-lucky | |
| 健気 | けなげ | admirable; commendable; praiseworthy; laudable | |
| 外気 | がいき | open air | |
| 気前 | きまえ | generosity | |
| 発電機 | はつでんき | dynamo; power generator | |
| 毒気 | どっき | poisonous air; poisonous gas; poisonous vapour; poisonous ingredient | |
| 気どる | きどる | to be affected; to put on airs; to act like (something one isn't); to pretend to be | |
| 吐き気 | はきけ | nausea; feeling like throwing up; feeling sick | n2 |
| 士気 | しき | morale (of troops, team, etc.); esprit de corps | n1 |
| 火の気 | ひのけ | source of fire; sign of fire; warmth of fire; heat | |
| 鬼気 | きき | ghastly; dreadful | n2 |
| 気運 | きうん | trend; tendency; momentum | n1 |
| 酒気 | しゅき | liquor smell; tipsiness | |
| さり気 | さりげ | like that; in that manner | |
| 電鉄 | でんてつ | electric railway | |
| 東京電力 | とうきょうでんりょく | Tokyo Electric Power | |
| 気候変動 | きこうへんどう | climate change | |
| 低気圧 | ていきあつ | low (atmospheric) pressure; low-pressure system; depression; cyclone | n2 |
| 気位 | きぐらい | pride; haughtiness | |
| 精気 | せいき | (mind and) spirit; life energy; vitality; essence | n3 |
| 気安い | きやすい | relaxed; familiar; easy to access; friendly | |
| 電子辞書 | でんしじしょ | (portable) electronic dictionary; pocket electronic dictionary; PED; digital dictionary (application or website) | n2 |
| 気流 | きりゅう | atmospheric current; air current; airflow | |
| 気乗り | きのり | interest (in something); enthusiasm | |
| 妖気 | ようき | ominous atmosphere; ghostly air; weird air; unearthly atmosphere | n3 |
| 気休め | きやすめ | mere consolation; temporary peace of mind | |
| 意気揚々 | いきようよう | triumphant; exultant; in high and proud spirits | |
| 怒気 | どき | anger; wrath | n1 |
| 土気色 | つちけいろ | earth (color, colour); earthen; ashen; deathly pale | |
| 気抜け | きぬけ | dispiritedness; dejection; languor; lethargy | |
| 気軽い | きがるい | cheerful; buoyant; lighthearted | |
| 朧気 | おぼろげ | vague; faint; dim; indistinct | n1 |
| 脚気 | かっけ | beriberi; severe thiamine deficiency | |
| 気息 | きそく | breathing; breath | n3 |
| 気長 | きなが | patient; unhurried; leisurely | |
| 電信柱 | でんしんばしら | telephone pole | |
| 関西電力 | かんさいでんりょく | Kansai Electric Power; KEPCO | |
| 小気味よい | こきみよい | delightful; satisfying; gratifying; brisk | |
| 心意気 | こころいき | spirit; determination; pluck; mettle | n1 |
| 電解質 | でんかいしつ | electrolyte | |
| 気概 | きがい | strong spirit; mettle; backbone; guts | n1 |
| 電気料金 | でんきりょうきん | electricity charges; power rates | |
| 殺気立つ | さっきだつ | to be seething (with anger); to be frenzied; to be menacing; to be murderous | |
| 市電 | しでん | municipal railway; city streetcar; tram | |
| 太陽光発電 | たいようこうはつでん | solar power (generation) | |
| 電気代 | でんきだい | electricity bill; electric bill | |
| いい気 | いいき | easygoing; optimistic; conceited | |
| 蜃気楼 | しんきろう | mirage | |
| 気がね | きがね | constraint; reserve; feeling hesitant; being afraid of troubling someone | n2 |
| 太陽電池 | たいようでんち | solar cell | |
| 気合い | きあい | (fighting) spirit; motivation; effort; shout (for getting in the right mood to deal with something, etc.) | n1 |
| 強気 | つよき | confident; assured; self-assured; firm | |
| 覇気 | はき | spirit; drive; vigour; vigor | |
| 放電 | ほうでん | discharging (electrically; e.g. of a battery); electrical discharge; discharge | |
| 若気 | わかげ | youthful impetuosity; youthful vitality | |
| 気色ばむ | けしきばむ | to grow angry; to display one's anger | |
| 活気づく | かっきづく | to become animated; to liven up; to become active | |
| 電鍵 | でんけん | telegraph key (switching device used to send Morse code) | |
| 東北電力 | とうほくでんりょく | Tōhoku Electric Power | |
| 排気 | はいき | exhaust; emission (of gas from an engine); expulsion (of air); ventilation | n1 |
| 運気 | うんき | fate; fortune | |
| 気さく | きさく | friendly; openhearted; sociable; amiable | |
| 通気性 | つうきせい | air-permeability; breathability | |
| 気骨 | きこつ | (moral) backbone; spirit; soul; grit | |
| 逐電 | ちくでん | flight; absconding | |
| 気功 | きこう | breathing exercise; breath control; spirit cultivation; chi kung | n2 |
| 気負う | きおう | to get worked up; to be eager (enthusiastic); to rouse oneself | |
| 元気づける | げんきづける | to pep up; to cheer up | |
| 小気味 | こきみ | sentiment; feeling | |
| 気苦労 | きぐろう | worry; care; anxiety; mental exhaustion | |
| 気短 | きみじか | short-tempered; quick-tempered; impatient; hasty | |
| 気象台 | きしょうだい | meteorological observatory | |
| 電化 | でんか | electrification | |
| 電極 | でんきょく | electrode | |
| 中部電力 | ちゅうぶでんりょく | Chubu Electric Power | |
| 火気 | かき | fire; trace of fire; heat of fire; force of a fire | n3 |
| 乗り気 | のりき | interest; eagerness; enthusiasm | n1 |
| 人気店 | にんきてん | popular store; popular restaurant; famous shop | |
| 電磁石 | でんじしゃく | electromagnet | |
| 九州電力 | きゅうしゅうでんりょく | Kyushu Electric Power | |
| 稚気 | ちき | childishness; naivete | |
| 気弱 | きよわ | timid; fainthearted | |
| 気強い | きづよい | reassuring; stouthearted | |
| 芝居気 | しばいぎ | theatrical | |
| 北陸電力 | ほくりくでんりょく | Hokuriku Electrical Power | |
| 気道 | きどう | respiratory tract; air duct | n1 |
| 山気 | やまき | speculative spirit | |
| 無電 | むでん | wireless; radio | |
| 心電図 | しんでんず | electrocardiogram; ECG; EKG | |
| 電動機 | でんどうき | electric motor | |
| 勇気づける | ゆうきづける | to encourage; to cheer | |
| 侠気 | おとこぎ | chivalrous spirit; chivalry | |
| 一本気 | いっぽんぎ | single-minded (esp. personality or person); one-track mind | |
| 電機 | でんき | electrical machinery; appliances | n2 |
| 嫌気 | いやき | dislike; disgust; disinclination; tired of | |
| 気管 | きかん | trachea; windpipe | n3 |
| 小意気 | こいき | stylish; smart; chic; tasteful | |
| 豪気 | ごうき | sturdy spirit; bold; daring; brave | |
| 電撃 | でんげき | electric shock; blitz; lightning attack; sudden and without warning | |
| 気転 | きてん | quick-wittedness; tact | n1 |
| 和気 | わき | harmonious atmosphere | n2 |
| 温気 | うんき | heat; warmth; sultriness | |
| 人気順 | にんきじゅん | order by popularity; popularity order | |
| 気管支 | きかんし | bronchus; bronchial tube | |
| 電話機 | でんわき | telephone (device) | |
| 人気商品 | にんきしょうひん | hot buy; hot item; popular product | |
| 路面電車 | ろめんでんしゃ | tram; streetcar; trolley; tramcar | |
| 心気 | しんき | mentality; mood; sentiment; feelings | n1 |
| 塩気 | しおけ | saltiness | |
| 送電線 | そうでんせん | power line | |
| 気立て | きだて | disposition; nature | |
| 怖気 | おぞけ | fear; dread; fright; willies | |
| 充電式 | じゅうでんしき | rechargeable | |
| 電位 | でんい | electric potential | |
| 終電 | しゅうでん | last train (of the day) | |
| 水力発電 | すいりょくはつでん | hydroelectric power generation; water-power generation | |
| 気だて | きだて | disposition; nature | |
| 気ぜわしい | きぜわしい | restless; fidgety; fussy | |
| 節気 | せっき | 24 divisions of the solar year; 24 terms used to denote the changing of the seasons | n1 |
| 気忙しい | きぜわしい | restless; fidgety; fussy | |
| 電光石火 | でんこうせっか | flash; instant; lightning (speed) | |
| 気球 | ききゅう | balloon (hot-air, weather, etc.); blimp | |
| 中国電力 | ちゅうごくでんりょく | Chugoku Electric Power | |
| 中気 | ちゅうき | palsy; paralysis; every second solar term (occurring in the latter half of each month) | |
| 惚気 | のろけ | speaking fondly about one's sweetheart (spouse, girlfriend, etc.); going on about one's love affairs | |
| 雷電 | らいでん | thunder and lightning | |
| 電磁波 | でんじは | electromagnetic wave | |
| 呼気 | こき | exhaled air; exhalation; expiration | |
| 送電 | そうでん | transmission of electricity; electricity supply; power supply | |
| 得意気 | とくいげ | proud; elated | |
| 気動車 | きどうしゃ | railcar with an internal combustion engine; diesel railcar; diesel train; diesel multiple unit | |
| 起電力 | きでんりょく | electromotive force | |
| 九星気学 | きゅうせいきがく | Onmyōdō astrology | |
| 感電 | かんでん | receiving an electric shock | |
| 飾り気 | かざりけ | affectation; showiness; pretence | |
| 給電 | きゅうでん | supplying electricity | n1 |
| 気落ち | きおち | discouraged; dispirited; despondent | |
| 電力量 | でんりょくりょう | electric energy | |
| 気早 | きばや | quick-tempered; impatient | |
| 親切気 | しんせつぎ | kindheartedness | |
| 気晴らし | きばらし | recreation; diversion; relaxation | |
| 気付 | きづけ | care of; c/o | |
| 気鋭 | きえい | spirited; energetic | |
| 気随 | きずい | willful; wilful; as one pleases | |
| 電文 | でんぶん | telegram | |
| 電離 | でんり | ionization; ionisation; electrolytic dissociation | |
| 昔気質 | むかしかたぎ | old-fashioned way of thinking; old-fashioned spirit; old-fashioned | |
| 空気感 | くうきかん | atmosphere (esp. of a place or person); mood; vibe; ambience | |
| 呆気ない | あっけない | unsatisfying; disappointing; abrupt; not enough | n1 |
| 霊気 | れいき | mysterious presence; mysterious atmosphere; aura of mystery | |
| 天気予報 | てんきよほう | weather forecast; weather report | n3 |
| 気恥しい | きはずかしい | embarrassed; feeling ashamed; feeling awkward | n2 |
| 気配り | きくばり | care; attentiveness; attention; consideration (for others) | n2 |
| 雨気 | あまけ | signs of rain; threatening to rain | |
| 気張る | きばる | to brace one's core (e.g. when carrying something heavy); to bear down; to strain (one's abdominal muscles); to exert oneself | |
| 気持ちいい | きもちいい | pleasant (of a sensation); comfortable; nice; cheerful | |
| 一気 | いっき | one breath; chug!; drink! | |
| 英気 | えいき | great wisdom; excellent disposition; strength (to face something); willpower | |
| 電源開発 | でんげんかいはつ | development of electrical power resources | |
| 風力発電 | ふうりょくはつでん | wind power generation | |
| 気泡 | きほう | (air) bubble (esp. in a liquid) | |
| 油気 | あぶらけ | oiliness; greasiness | |
| 配電 | はいでん | distribution of electricity | |
| 電場 | でんば | electric field | |
| 電磁 | でんじ | electromagnetic | |
| 気づかわしい | きづかわしい | anxiously; with anxious looks; with anxiety | |
| 気丈 | きじょう | stout-hearted; firm; courageous; brave | |
| 排気量 | はいきりょう | (engine) displacement | |
| 移り気 | うつりぎ | fickle; capricious; inconstant; changeable | |
| 電鈴 | でんれい | electric bell | |
| 消費電力 | しょうひでんりょく | electricity consumption | |
| 意気投合 | いきとうごう | hit it off with (a person); find a kindred spirit in (a person); sympathy; mutual understanding | |
| 衒気 | げんき | affectation; ostentation; vanity | n5 |
| 蓄電 | ちくでん | storage of electricity | |
| 電信局 | でんしんきょく | telegraph office | |
| 電機子 | でんきし | armature | |
| 最低気温 | さいていきおん | minimum temperature; lowest temperature; (today's) low | |
| 電子機器 | でんしきき | electronic device; electronic equipment; electronics | |
| 気分転換 | きぶんてんかん | change of pace; change of mood; (mental) break (e.g. going for a walk); refreshment | n2 |
| 返電 | へんでん | reply telegram | |
| 電話相談 | でんわそうだん | telephone counselling; telephone consultation | |
| 電子化 | でんしか | electronization; digitization; computerization | |
| 通気 | つうき | ventilation; airflow | |
| 商売気 | しょうばいぎ | commercial spirit; profit motive | |
| 気丈夫 | きじょうぶ | reassuring; stout-hearted; firm; courageous | |
| 蒸気機関車 | じょうききかんしゃ | steam locomotive | n1 |
| 気振り | けぶり | sign; indication | |
| 四国電力 | しこくでんりょく | Shikoku Electrical Power | |
| 気遣わしい | きづかわしい | anxiously; with anxious looks; with anxiety | |
| 高気圧 | こうきあつ | high (atmospheric) pressure; high-pressure system; high-pressure zone; anticyclone | n1 |
| 意気ごみ | いきごみ | ardor; enthusiasm | n1 |
| 気宇 | きう | breadth of mind; generosity; magnanimity | |
| 充電器 | じゅうでんき | (battery) charger; AC adapter | |
| 電解液 | でんかいえき | electrolyte solution; electrolytic solution | |
| 水銀電池 | すいぎんでんち | mercury cell | |
| 女気 | おんなけ | female presence | |
| 気鬱 | きうつ | gloom; mental depression | |
| 粘り気 | ねばりけ | stickiness; viscosity; glutinosity | |
| 好景気 | こうけいき | good times; boom; (wave of) prosperity | |
| 静電気 | せいでんき | static electricity | |
| 電気設備 | でんきせつび | electrical equipment | |
| 北海道電力 | ほっかいどうでんりょく | Hokkaido Electric Power | |
| 気象学 | きしょうがく | meteorology | |
| 電動工具 | でんどうこうぐ | power tool; electric tool | |
| 電熱 | でんねつ | electric heat | |
| 正電荷 | せいでんか | positive charge | |
| 上昇気流 | じょうしょうきりゅう | ascending air current; updraft; upward trend; rise in popularity, influence, etc. | |
| 悋気 | りんき | jealousy | |
| 気晴し | きばらし | recreation; diversion; relaxation | |
| 気構え | きがまえ | readiness; preparedness; attitude; kanji "vapor" radical | |
| 打電 | だでん | sending a telegram; telegraphing; wiring | |
| 気持ち悪い | きもちわるい | unpleasant; revolting; repulsive; gross | |
| 気掛り | きがかり | worry; anxiety; concern | n1 |
| 阪急電鉄 | はんきゅうでんてつ | Hankyu Corporation | |
| 電卓 | でんたく | calculator (electronic); pocket calculator | n3 |
| 換気扇 | かんきせん | ventilation fan; extractor fan | n3 |
| 節電 | せつでん | saving electricity; power saving; reducing electricity usage; reducing power consumption | n2 |
| 電通 | でんつう | Dentsu (communications agency) | |
| 波力発電 | はりょくはつでん | wave power electrical generation | |
| 負けん気 | まけんき | competitive spirit; spirit of rivalry; aversion to losing | |
| 疝気 | せんき | colic | |
| 電束 | でんそく | electric flux | |
| 大気圧 | たいきあつ | atmospheric pressure | |
| 原子力発電 | げんしりょくはつでん | nuclear power generation; nuclear electricity generation | |
| 安気 | あんき | carefree; easy; comfortable | n3 |
| 懐中電灯 | かいちゅうでんとう | (electric) torch; flashlight | n2 |
| 懐中電燈 | かいちゅうでんとう | (electric) torch; flashlight | n2 |
| 気脈 | きみゃく | tacit understanding; connection (of thoughts); collusion; blood vessel | |
| 気韻 | きいん | dignity; refinement | |
| 気管支炎 | きかんしえん | bronchitis | |
| 電子部品 | でんしぶひん | electronic parts; electronic components | |
| 客気 | かっき | youthful ardor; rashness | n2 |
| さり気ない | さりげない | nonchalant; unconcerned; in a casual manner | n1 |
| 気散じ | きさんじ | recreation; diversion; relaxation | |
| 気疲れ | きづかれ | mental fatigue; worry; boredom | |
| 湿り気 | しめりけ | moisture | |
| 三菱電機 | みつびしでんき | Mitsubishi Electric | |
| 水力発電所 | すいりょくはつでんしょ | hydroelectric plant or power station | |
| 吐気 | はきけ | nausea; feeling like throwing up; feeling sick | n2 |
| 勘気 | かんき | disfavor; disfavour; disinheritance | n1 |
| 湿気る | しける | to get damp; to get moist; to get soggy; to become humid | |
| 電動車 | でんどうしゃ | electrified vehicle (incl. hybrid electric vehicles, fuel cell electric vehicles, etc.); xEV; electric railcar; electric train | |
| 小生意気 | こなまいき | impudence; cheekiness; impertinence | |
| 気難しい | きむずかしい | hard to please; difficult; particular; fussy | |
| 俗気 | ぞっき | vulgarity; worldliness; worldly ambition | |
| 弔電 | ちょうでん | telegram of condolence | |
| 都電 | とでん | metropolitan tramway; tram operated by the metropolitan government (esp. Tokyo) | |
| 電池式 | でんちしき | battery-operated; battery-powered | |
| 電気通信 | でんきつうしん | telecommunications | |
| 気圧される | けおされる | to be overawed; to be overwhelmed; to be overcome; to be intimidated | |
| 神気 | しんき | qi; mysterious life force that makes up everything; spirits; mind | n1 |
| 人気者 | にんきもの | popular person; favorite; favourite | |
| 気組み | きぐみ | attitude; preparedness | |
| 終電車 | しゅうでんしゃ | last train (of the day) | |
| 一気呵成 | いっきかせい | finishing in one go; completing in one sitting; (doing something) in a single breath | |
| 帯電 | たいでん | electrification | |
| 茶気 | ちゃき | knowledge of tea ceremony; understanding of the Way of Tea; sense of refinement; air of sophistication | |
| 空気圧 | くうきあつ | air pressure (of tires) | |
| 気息奄々 | きそくえんえん | gasping for breath; at one's last gasp; breathing feebly; on the brink of death | |
| 男気 | おとこぎ | chivalrous spirit; chivalry | |
| 最高気温 | さいこうきおん | maximum temperature; highest temperature; (today's) high | |
| 燃料電池 | ねんりょうでんち | fuel cell | |
| 日本原子力発電 | にほんげんしりょくはつでん | Japan Atomic Power | |
| 電子式 | でんししき | electronic; electronic formula | |
| 太陽熱発電 | たいようねつはつでん | solar thermal power generation | |
| 気負い | きおい | eagerness; enthusiasm; fervor; excitement | n1 |
| 気団 | きだん | air mass; married man | |
| 点電荷 | てんでんか | point charge | |
| 電磁気 | でんじき | electromagnetism | |
| 電磁気学 | でんじきがく | electrodynamics; electromagnetism | |
| 電磁気力 | でんじきりょく | electromagnetic force | |
| 軽気球 | けいききゅう | dirigible balloon | |
| 気持ち良い | きもちいい | pleasant (of a sensation); comfortable; nice; cheerful | |
| 気象予報士 | きしょうよほうし | weather forecaster | |
| 電子マネー | でんしマネー | electronic money | |
| 涼気 | りょうき | cool air | |
| 充電池 | じゅうでんち | rechargeable battery | |
| 気受け | きうけ | popularity; favor; favour | |
| 大気汚染 | たいきおせん | air pollution | |
| 勝ち気 | かちき | determined spirit; unyielding spirit; will | |
| 電力供給 | でんりょくきょうきゅう | power supply; power distribution | |
| 電力系統 | でんりょくけいとう | electric power system; electric system; power system | |
| 気後れ | きおくれ | losing one's nerve; feeling awkward; feeling timid; feeling hesitant | n2 |
| 負電荷 | ふでんか | negative electric charge; minus charge | |
| 悄気返る | しょげかえる | to be dispirited; to be dejected; to lose heart; to become discouraged | |
| 産気づく | さんけづく | to go into labor; to go into labour | |
| 乱痴気騒ぎ | らんちきさわぎ | boisterous merrymaking; racket; spree | |
| 気管支喘息 | きかんしぜんそく | bronchial asthma | |
| 電気自動車 | でんきじどうしゃ | electric car; electric vehicle | |
| 不人気 | ふにんき | unpopular | n1 |
| 静電 | せいでん | static electricity; electrostatic | |
| 京成電鉄 | けいせいでんてつ | Keisei Electric Railway; K'SEI | |
| 陰気臭い | いんきくさい | dismal; gloomy | |
| 同気 | どうき | same temperament; same turn of mind | n1 |
| 電脳 | でんのう | computer; cyberbrain; digital brain | |
| 口気 | こうき | bad breath; intimation | |
| 鋭気 | えいき | courage; ardour; high spirits | |
| 空元気 | からげんき | putting on a brave face; put-on cheeriness; pretending one is fine; show of courage | |
| 気だるい | けだるい | languid; listless | |
| 東電 | とうでん | Tokyo Electric Power Co., Inc.; Tokyo Denryoku; TEPCO | |
| 海気 | かいき | sea air; sea breeze; ocean and atmosphere; type of yarn-dyed silk goods | |
| 天気図 | てんきず | weather map | |
| 天気雨 | てんきあめ | sun shower; sudden rain from a blue sky | |
| 電力計 | でんりょくけい | wattmeter | |
| リチウムイオン電池 | リチウムイオンでんち | lithium-ion battery | |
| 惰気 | だき | indolence; listlessness | |
| 義気 | ぎき | chivalry; heroism | |
| 火力発電 | かりょくはつでん | thermal power generation | |
| 電子メール | でんしメール | email; e-mail; electronic mail | |
| 辛気 | しんき | mentality; mood; sentiment; feelings | n1 |
| 吸気 | きゅうき | inhalation (of air); inhaled air; intake (e.g. of air) | |
| 電工 | でんこう | electrician; electrical engineering; electric works (following company name) | |
| 電子的 | でんしてき | electronic | |
| 意気地無し | いくじなし | coward; sissy; weakling; loser | |
| 電子顕微鏡 | でんしけんびきょう | electron microscope | |
| 和気あいあい | わきあいあい | harmonious; peaceful; congenial; friendly | |
| 気密 | きみつ | airtight | n1 |
| 光電池 | こうでんち | photovoltaic cell; photoelectric cell; photocell; solar cell | |
| 気保養 | きほよう | diversion; change of pace | |
| 電波法 | でんぱほう | the Radio Law | |
| 家電製品 | かでんせいひん | consumer electronics; home appliances | |
| 平均気温 | へいきんきおん | average temperature | |
| 志気 | しき | determination; esprit de corps | n3 |
| 光電 | こうでん | photoelectric | |
| 漏電 | ろうでん | short circuit; leakage (of electricity); electrical fault | |
| 紫電 | しでん | purple lightning; flash; swordflash | |
| 気付け | きづけ | care of; c/o | |
| 電子回路 | でんしかいろ | electronic circuit | |
| 電子情報 | でんしじょうほう | electronic information; electronic data; electronics and information | |
| 気筒 | きとう | cylinder | |
| むら気 | むらき | uneven temper; caprice; whim | |
| 地磁気 | ちじき | geomagnetism; terrestrial magnetism | |