Denshi Jisho — Online Japanese dictionary

れんせん series of battles
Common word, Noun, Suru verb 
れんそう association (of ideas); being reminded (of something); suggestion
Common word, Noun, Suru verb, No-adjective 
れんぞく serial; consecutive; continuity; occurring in succession; continuing
Common word, Noun, Suru verb 
れんたい 1: solidarity; collective;
2: (No-adjective) joint
Common word, Noun, Suru verb, No-adjective 
れんたい regiment
Common word, Noun, No-adjective 
れんとう pitching in consecutive games
Common word, Noun, Suru verb 
れんどう 1: operating together; working together; gearing; linkage;
2: (Noun or verb acting prenominally) linked; coupled; interlocking
Common word, Noun, Suru verb 
れんぱい consecutive defeats; series of defeats
Common word, Noun, Suru verb 
れんぱつ running continuously; firing in rapid succession
Common word, Noun, Suru verb 
れんぽう mountain range
Common word, Noun 
れんぽう commonwealth; federation of states; confederation; union
Common word, Noun, No-adjective 
れんめい joint signature
Common word, Noun 
れんめい league; federation; union; alliance
Common word, Noun, No-adjective 
れんよう continuous use
Common word, Noun, Suru verb 
れんらく 1: to contact; to get in touch;
2: (Noun) contacting; getting in touch; communication; call; message;
3: connection; coordination; junction;
4: (No-adjective) intercalary; intercalaris; internuncial
Common word, Suru verb, No-adjective 
れんりつ alliance; coalition
Common word, Noun, Suru verb, No-adjective 
ろうれん labour union; labor union
Common word, Noun 
からさお flail (for threshing grain)
Noun 
からざお flail (for threshing grain)
Noun 
くんれん practice; practise; training
Irregular kanji usage, Noun, Suru verb 
けんれん related to
Noun, Suru verb 
けんれん prefectural party chapter
Noun 
こうれん 1: commissura; commissurae; commissure;
2: (Noun or verb acting prenominally) commissural
Noun 
さんれん three-stranded
Noun 
つれまい dance done by two persons or more
Noun 
ばくれん worldly woman
Noun 

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