| 関連 | かんれん | relation; connection; relevance | n2 |
| 連れる | つれる | to take (someone) with one; to bring along; to go with; to be accompanied by | n3 |
| 関連語 | かんれんご | related term; associated words | |
| 連 | れん | two reams (of paper); 1000 sheets (of paper); stanza; verse | |
| 連絡 | れんらく | contacting; (making) contact; getting in touch; communication | n4 |
| 連中 | れんちゅう | company; lot; people; bunch | n1 |
| 連載 | れんさい | serialization; serialisation; serial story | n1 |
| 連続 | れんぞく | continuation; succession; series; sequence | n2 |
| 関連記事 | かんれんきじ | related article; related story | |
| 連携 | れんけい | cooperation; coordination; collaboration; alignment | n1 |
| 連盟 | れんめい | league; federation; union | |
| 関連項目 | かんれんこうもく | related item; related topic | |
| 連想 | れんそう | association (of ideas); being reminded (of something); suggestion | n1 |
| 連れ | つれ | companion; company; tritagonist; second supporting character | n3 |
| ご連絡 | ごれんらく | contacting; getting in touch; communication; call | |
| 連合 | れんごう | union; combination; alliance; confederation | |
| 一連 | いちれん | series; chain; sequence; two reams (i.e. 1000 sheets of paper) | n1 |
| 連ねる | つらねる | to line up; to put in a row; to add (to a group); to accept (as a member of an organization, etc.) | |
| 連符 | れんぷ | tuplet (e.g. triplet) | |
| 連なる | つらなる | to extend; to stretch out; to stand in a row; to attend | n1 |
| 連れ立つ | つれだつ | to go together; to go in company (with); to go along (with) | |
| 連れ出す | つれだす | to take (someone) out (for a walk, to lunch, etc.); to entice out; to lure away | |
| 連用形 | れんようけい | continuative form (of a Japanese verb or adjective); conjunctive form; masu stem (of a verb) | |
| 連日 | れんじつ | day after day; every day | n1 |
| 連結 | れんけつ | connection; linking; joining; coupling | n2 |
| ソ連 | ソれん | Soviet Union; USSR | |
| 連れ込む | つれこむ | to bring (someone into a place); to lead into | |
| 連発 | れんぱつ | occurring in succession; doing in succession; series (of incidents); spate | |
| 連山 | れんざん | mountain range; Lian Shan (Xia-period method of Chinese divination) | |
| 連鎖 | れんさ | chain; series; connection; linkage | n1 |
| 連動 | れんどう | operating together; working together; being linked (to); being tied (to) | n1 |
| 連隊 | れんたい | regiment | n1 |
| 子連れ | こづれ | taking one's children along (to an event, into a new marriage, etc.); parent with child | |
| 常連 | じょうれん | regular customer; regular patron; regular visitor; frequenter | n2 |
| 連邦 | れんぽう | federation (of states); confederation; commonwealth; union | |
| 連合会 | れんごうかい | association; federation | |
| 連勝 | れんしょう | consecutive victories; series of victories; winning streak | |
| 連帯 | れんたい | solidarity; joint; collective | n1 |
| 連関 | れんかん | connection; relation; linkage | n1 |
| 道連れ | みちづれ | fellow traveler; fellow traveller; travelling companion; taking someone along unwillingly (e.g. in death) | |
| 連立つ | つれだつ | to go together; to go in company (with); to go along (with) | |
| 国連 | こくれん | United Nations; UN | |
| 連体形 | れんたいけい | attributive form (of a Japanese verb or adjective) | |
| 連歌 | れんが | renga (early Japanese poetry form); linked verse; poetic dialogue | n1 |
| 連絡先 | れんらくさき | contact information (address, phone number, etc.) | n3 |
| 関連情報 | かんれんじょうほう | related information; relevant information | |
| 連覇 | れんぱ | successive championships | |
| 連れ添う | つれそう | to become a couple; to be man and wife; to be married to | |
| 大連 | だいれん | Dalian (China) | |
| 引き連れる | ひきつれる | to take (someone) along; to bring along; to be accompanied by | |
| 関連性 | かんれんせい | relatedness; associativity; relation; relationship | |
| 連名 | れんめい | joint signature | |
| 連綿 | れんめん | unbroken; uninterrupted; continuous | |
| 連峰 | れんぽう | mountain range | |
| 連れ戻す | つれもどす | to bring back | |
| 連敗 | れんぱい | consecutive defeats; series of defeats | |
| 連れ帰る | つれかえる | to bring (someone) back home; to take (someone) back home | |
| 連作 | れんさく | planting a field with the same crop each year; repeated cultivation; monocropping; collaborative literary work | |
| 連休 | れんきゅう | consecutive holidays | n3 |
| 連呼 | れんこ | calling repeatedly (e.g. someone's name); shouting repeatedly; pronouncing successively (usu. repeating a syllable with voicing, as in "tsuzuku") | |
| 連れ去る | つれさる | to take (someone) away; to carry off; to abduct; to kidnap | |
| 連れこむ | つれこむ | to bring (someone into a place); to lead into | |
| 引連れる | ひきつれる | to take (someone) along; to bring along; to be accompanied by | |
| 連夜 | れんや | every evening; night after night | |
| 連立 | れんりつ | coalition; alliance; union; standing side-by-side | |
| 連署 | れんしょ | joint signature | |
| ソ連軍 | ソれんぐん | Soviet army | |
| 連行 | れんこう | taking (a suspect to the police); dragging (someone) away | |
| 関連付ける | かんれんづける | to connect; to correlate; to associate; to relate | |
| 連接 | れんせつ | connection; link (on a web page) | |
| 連句 | れんく | linked verse; couplet; renku | |
| 連繋 | れんけい | connection; linking; linkage; link | n1 |
| 連れ子 | つれこ | child from a previous marriage; child of a former spouse; stepchild | |
| 注連縄 | しめなわ | rope used to cordon off consecrated areas or as a talisman against evil | |
| 注連 | しめ | rope used to cordon off consecrated areas or as a talisman against evil; cordoning off; cordoning-off sign | |
| 連戦 | れんせん | series of battles; successive battles | |
| 関連商品 | かんれんしょうひん | related product | |
| 連翹 | れんぎょう | weeping forsythia (Forsythia suspensa); weeping golden bell | |
| ソビエト連邦 | ソビエトれんぽう | Soviet Union; Union of Soviet Socialist Republics; USSR | |
| 打ち連れる | うちつれる | to go along with | |
| 連合軍 | れんごうぐん | allied forces; the Allies (e.g. in WWII) | |
| 関連会社 | かんれんがいしゃ | associated company | |
| 連打 | れんだ | repeated blows; striking repeatedly; barrage; consecutive hits (e.g. in boxing, baseball) | |
| 流連 | りゅうれん | spending the night out (e.g. at a brothel); staying out | |
| 連判 | れんばん | joint seal; joint signatures | |
| 連語 | れんご | compound word; phrase; collocation; copula | |
| 伴天連 | バテレン | padre; title for Portuguese Jesuits who came to Japan in the 16th century; Christianity; Christian | |
| 連子 | つれこ | child from a previous marriage; child of a former spouse; stepchild | |
| 連累 | れんるい | complicity; implication; involvement | |
| 連続性 | れんぞくせい | continuity | |
| 国際連合 | こくさいれんごう | United Nations; UN | |
| 連用 | れんよう | continuous use; chronic use | |
| 連出す | つれだす | to take (someone) out (for a walk, to lunch, etc.); to entice out; to lure away | |
| お子様連れ | おこさまづれ | parent with child; person bringing along their children | |
| 連珠 | れんじゅ | variant of gobang (game) | |
| 連合国 | れんごうこく | allied nations; the Allies (World War I, World War II); Allied powers | |
| 連続テレビ小説 | れんぞくテレビしょうせつ | morning soap opera; morning television serial | |
| 連枝 | れんし | off-shoot; noble (family) sibling | |
| 連理 | れんり | trees with entwined branches; intimate male and female relationship | |
| 不連続 | ふれんぞく | discontinuous; discontinuous | |