| 紹介 | しょうかい | introduction; presentation; referral; showcase (of a product) | n4 |
| 介護 | かいご | nursing; care; caregiving; caring | n3 |
| 厄介 | やっかい | trouble; burden; nuisance; bother | n2 |
| 介 | かい | shellfish; seashell; shell | n2 |
| 介抱 | かいほう | nursing; looking after | n2 |
| 介す | かいす | to use as an intermediary; to mediate; to assist; to worry | |
| 媒介 | ばいかい | mediation; agency; serving as a medium; acting as an intermediary | n1 |
| 仲介 | ちゅうかい | agency; intermediation | |
| 介入 | かいにゅう | intervention | n1 |
| 一介 | いっかい | a mere ...; only a ...; insignificant | |
| 介助犬 | かいじょけん | service dog (for the disabled, etc.) | |
| 介在 | かいざい | existing (between); interposition; intervention; involvement | n1 |
| 魚介類 | ぎょかいるい | marine products; seafood; fish and shellfish | |
| 魚介 | ぎょかい | marine products; seafood; fish and shellfish | |
| 介助 | かいじょ | help; assistance; aid | n1 |
| 自己紹介 | じこしょうかい | self-introduction | n4 |
| 要介護 | ようかいご | requiring nursing care | |
| 介添 | かいぞえ | helper (e.g. for a sick person); assistant; bridesmaid; best man | |
| 介錯 | かいしゃく | beheading (as the ending to a seppuku); assistance; help | n2 |
| お節介 | おせっかい | meddling; meddlesomeness; nosiness; interference | |
| 荷厄介 | にやっかい | encumbrance; burden; drag | |
| 狷介 | けんかい | obstinate; stubborn; headstrong; self-centred | n2 |
| 介する | かいする | to use as an intermediary; to worry; to mind; to care | |
| 媒介変数 | ばいかいへんすう | mediator variable; parameter | |
| 介添え | かいぞえ | helper (e.g. for a sick person); assistant; bridesmaid; best man | |
| 介意 | かいい | worrying about; caring about | |
| 要介護度 | ようかいごど | nursing care level (between 1 and 5 based on assessment of care requirements) | |
| 紹介文 | しょうかいぶん | introductory text; introductory essay | |
| 甲介 | こうかい | concha | n2 |
| 介護保険 | かいごほけん | nursing insurance | |
| 職業紹介 | しょくぎょうしょうかい | job placement | |
| 仲介手数料 | ちゅうかいてすうりょう | brokerage fee; agency fee; brokerage commission | |
| 紹介状 | しょうかいじょう | letter of introduction | |
| 介護施設 | かいごしせつ | nursing home; rest home | |
| 介助者 | かいじょしゃ | aide; caregiver; carer; helper | |
| 介護士 | かいごし | carer; nurse | |
| 事例紹介 | じれいしょうかい | showcasing examples (e.g. company products); case study | |
| 介護者 | かいごしゃ | caregiver; carer | |
| 厄介者 | やっかいもの | burden; nuisance; bother; troublemaker | |
| 仲介者 | ちゅうかいしゃ | mediator; go-between; middleman | |
| 紹介記事 | しょうかいきじ | introductory article; advertisement | |
| 介護福祉士 | かいごふくしし | (certified) care worker | |
| 耳介 | じかい | auricle; pinna | n2 |
| 媒介者 | ばいかいしゃ | mediator; middleman; intermediary; agent | |
| 紹介者 | しょうかいしゃ | person who introduces someone; introducer | |
| 紹介料 | しょうかいりょう | referral fee; introduction fee | |
| 介護予防 | かいごよぼう | preventive care, esp. for senior citizens | |
| 訪問介護 | ほうもんかいご | home-visit care; home nursing | |
| 仲介業者 | ちゅうかいぎょうしゃ | broker; intermediary; broking house | |
| 介護疲れ | かいごづかれ | tiredness after taking care of someone; nursing fatigue | |
| 仲介役 | ちゅうかいやく | mediator; go-between; middleman; broker | |
| 金融商品仲介 | きんゆうしょうひんちゅうかい | financial instruments intermediary | |
| 鱗介 | りんかい | fishery products; seafood | |
| 不介入 | ふかいにゅう | noninvolvement; nonintervention; neutrality | |
| 介護人 | かいごにん | person who looks after a patient | |
| 媒介物 | ばいかいぶつ | medium; agency; carrier; vector | |
| 紹介所 | しょうかいじょ | agency | |
| 介添人 | かいぞえにん | best man; groomsman; bridesmaid; second (e.g. in a duel) | |
| 介入研究 | かいにゅうけんきゅう | intervention study (epidemiology) | |
| 介護認定 | かいごにんてい | nursing care authorization | |
| 政治介入 | せいじかいにゅう | political intervention; political interference; political meddling | |
| 軍事介入 | ぐんじかいにゅう | military intervention; armed intervention | |
| 介音 | かいおん | medial; final-head (glide before the center vowel in Chinese) | |
| 介党鱈 | すけとうだら | walleye pollack (Theragra chalcogramma); Alaska pollack | |
| 仲介物 | ちゅうかいぶつ | intermediary; medium; channel | |
| 全介助 | ぜんかいじょ | full assistance (for a disabled or elderly person) | |
| 厄介事 | やっかいごと | troublesome matter; burden; difficult task; chore | |
| 介護離職 | かいごりしょく | quitting one's job to care for one's family (e.g. one's elderly or sick parents) | |
| 市場介入 | しじょうかいにゅう | market intervention | |
| 新刊紹介 | しんかんしょうかい | book review | |
| 要介護認定 | ようかいごにんてい | primary nursing care requirement authorization (a 5-level graded system under health insurance) | |
| 介詞 | かいし | preposition (in Chinese); adposition | n3 |
| 介卵 | かいらん | brooding | n2 |
| 介殻 | かいかく | sea shell | n1 |
| 介甲 | かいこう | crust-like shell | n1 |
| 介副 | かいぞえ | helper (e.g. for a sick person); assistant; bridesmaid; best man | |
| 介病 | かいびょう | nursing a patient | |
| 介馬 | かいば | armored horse; armoured horse | |
| 介鱗 | かいりん | fish and shellfish | |
| 節介 | せっかい | meddling; meddlesomeness; nosiness; interference | |
| 介して | かいして | through (the medium of) | |
| 介殻虫 | かいがらむし | scale insect | |
| 介錯人 | かいしゃくにん | person who beheads someone to end a seppuku; assistant; helper | |
| 厄介物 | やっかいもの | nuisance; encumbrance | |
| 媒介語 | ばいかいご | lingua franca; vehicular language; bridge language; intermediary language | |
| 御節介 | おせっかい | meddling; meddlesomeness; nosiness; interference | |
| 無媒介 | むばいかい | immediacy | |
| 耳甲介 | じこうかい | concha (of the ear) | |
| 鱒の介 | ますのすけ | chinook salmon (Oncorhynchus tshawytscha); king salmon; tyee salmon; Columbia River salmon | |
| 鱒之介 | ますのすけ | chinook salmon (Oncorhynchus tshawytscha); king salmon; tyee salmon; Columbia River salmon | |
| 鼻甲介 | びこうかい | nasal concha; nasal turbinate; turbinate (bone); turbinal | |
| お節介屋 | おせっかいや | snoop; meddler; nosey parker; buttinsky | |
| を介して | をかいして | through (e.g. an intermediary, a medium); via; over (e.g. a network); across | |
| 介在配列 | かいざいはいれつ | intron | |
| 介添え人 | かいぞえにん | best man; groomsman; bridesmaid; second (e.g. in a duel) | |
| 介護殺人 | かいごさつじん | killing by caregivers; caretaker homicide; nursing care killing | |
| 介護脱毛 | かいごだつもう | removal of pubic hair prior to entering nursing care | |
| 他己紹介 | たこしょうかい | introduction of someone else | |
| 仲介貿易 | ちゅうかいぼうえき | intermediary trade; trade conducted via an agency | |
| 協調介入 | きょうちょうかいにゅう | coordinated intervention; joint intervention | |
| 厄介がる | やっかいがる | to consider troublesome; to regard as a nuisance | |
| 厄介ごと | やっかいごと | troublesome matter; burden; difficult task; chore | |
| 厄介もの | やっかいもの | burden; nuisance; bother; troublemaker | |
| 厄介払い | やっかいばらい | driving off a troublesome person; getting rid of a nuisance | |
| 口先介入 | くちさきかいにゅう | verbal intervention | |
| 御節介屋 | おせっかいや | snoop; meddler; nosey parker; buttinsky | |
| 意に介す | いにかいす | to mind; to care; to worry | |
| 政府介入 | せいふかいにゅう | government intervention | |
| 次元大介 | じげんだいすけ | Daisuke Jigen (Lupin III) | |
| 武力介入 | ぶりょくかいにゅう | armed intervention | |
| 為替介入 | かわせかいにゅう | currency market intervention; foreign exchange intervention | |
| 狷介不羈 | けんかいふき | stubbornly sticking to one's own convictions; being stubbornly independent | |
| 狷介固陋 | けんかいころう | stubbornly sticking to old ways; narrow-mindedly rejecting other people's views | |
| 狷介孤高 | けんかいここう | stubborn and aloof | |
| 米の介入 | べいのかいにゅう | intervention of America | |
| 老々介護 | ろうろうかいご | old people providing care for old people (parents, siblings, in-laws, etc.) | |
| 老人介護 | ろうじんかいご | care for the aged; elderly care; aged care | |
| 老老介護 | ろうろうかいご | old people providing care for old people (parents, siblings, in-laws, etc.) | |
| 耳介軟骨 | じかいなんこつ | auricular cartilage | |
| 被介護者 | ひかいごしゃ | care recipient; care-receiver | |
| お節介焼き | おせっかいやき | busybody; meddler; nosey parker | |
| 不胎化介入 | ふたいかかいにゅう | sterilized intervention | |
| 介護保険法 | かいごほけんほう | Long-Term Care Insurance Act | |
| 円買い介入 | えんがいかいにゅう | yen-buying intervention | |
| 労働紹介所 | ろうどうしょうかいじょ | employment agency; placement agency; labour exchange; labor exchange | |
| 厄介な事に | やっかいなことに | the trouble is ...; to make matters worse; troublingly | |
| 厄介ばらい | やっかいばらい | driving off a troublesome person; getting rid of a nuisance | |
| 後耳介動脈 | こうじかいどうみゃく | posterior auricular artery | |
| 意に介する | いにかいする | to mind; to care; to worry | |
| 深耳介動脈 | しんじかいどうみゃく | deep auricular artery | |
| 職業紹介所 | しょくぎょうしょうかいじょ | employment agency; placement agency; labour exchange; labor exchange | |
| 花嫁介添人 | はなよめかいぞえにん | bridesmaid | |
| 訪問介護員 | ほうもんかいごいん | home-visit care worker | |
| 遠距離介護 | えんきょりかいご | long-distance care; looking after someone from far away | |
| 人才紹介会社 | じんざいしょうかいがいしゃ | employment agency; staffing agency; personnel placement agency | |
| 人材紹介会社 | じんざいしょうかいがいしゃ | employment agency; staffing agency; personnel placement agency | |
| 人財紹介会社 | じんざいしょうかいがいしゃ | employment agency; staffing agency; personnel placement agency | |
| 介護サービス | かいごサービス | nursing-care service | |
| 介護付ホーム | かいごつきホーム | nursing home; assisted living facility | |
| 介護保険制度 | かいごほけんせいど | nursing-care insurance system | |
| 仲人を介して | なこうどをかいして | through a matchmaker | |
| 厄介なことに | やっかいなことに | the trouble is ...; to make matters worse; troublingly | |
| 民事介入暴力 | みんじかいにゅうぼうりょく | racketeering by interceding in civil disputes and threatening the use of violence | |
| 耳介リンパ節 | じかいリンパせつ | auricular lymph node | |
| イセリア介殻虫 | イセリアかいがらむし | cottony cushion scale (species of scale insect, Icerya purchasi) | |
| 介護付きホーム | かいごつきホーム | nursing home; assisted living facility | |
| 仲介の労をとる | ちゅうかいのろうをとる | to act as a mediator; to serve as a mediator; to act as an intermediary; to be a go-between | |
| 仲介の労を取る | ちゅうかいのろうをとる | to act as a mediator; to serve as a mediator; to act as an intermediary; to be a go-between | |
| 育児介護休業法 | いくじかいごきゅうぎょうほう | Act on Childcare Leave, Caregiver Leave, and Other Measures for the Welfare of Workers Caring for Children or Other Family Members | |
| 介護老人福祉施設 | かいごろうじんふくししせつ | intensive-care old people's home | |
| 育児・介護休業法 | いくじかいごきゅうぎょうほう | Act on Childcare Leave, Caregiver Leave, and Other Measures for the Welfare of Workers Caring for Children or Other Family Members | |
| コンピュータ媒介言語 | コンピュータばいかいげんご | Computer Mediated Communication; CMC | |
| 日本福祉介護情報学会 | にっぽんふくしかいごじょうほうがっかい | Japan Institute of Social Services and Informatics | |
| インターネット異性紹介事業 | インターネットいせいしょうかいじぎょう | online dating company; online dating service provider | |