[れんきんじゅつ, renkinjutsu] (n) (1) alchemy; (2) making big money (implied, by dubious means); (P) #6989
[しれん, shiren] (n) test; trial; probation; ordeal; tribulation; (P) #15525
[せんれん, senren] (n, vs) polish; refinement; (P) #17745
[かんしきせいれん, kanshikiseiren] (n) fire refining
[しゅうれん, shuuren] (n, vs) training; drill; practice; practise; discipline; (P)
[せいれん, seiren] (n, vs) (1) (See 製錬) refining; smelting; tempering; (2) (See 精練・1) scouring; degumming
[せいれんしょ;せいれんじょ, seirensho ; seirenjo] (n) refinery; smelting works
[せいれん, seiren] (n, vs) smelting
[たんれん, tanren] (n, vs) tempering; forging; hardening; disciplining; training; (P)
[ひゃくせんれんま, hyakusenrenma] (n, adj-no) veteran; (someone) schooled by adversity in many battles; (someone) rich in life's experience gained through much adversity
[ひゃくれん, hyakuren] (n) well-tempered; well drilled; well trained
[ねりあげる, neriageru] (v1, vt) (1) to knead well; (2) to polish; to refine
[ねれる, nereru] (v1, vi) (1) to be well-kneaded; (2) to be seasoned; to be experienced; to be mature and well-rounded
[れんきんじゅつし, renkinjutsushi] (n) alchemist
[れんこう, renkou] (n) wrought steel
[れんせい, rensei] (n, vs) training; drilling
[れんてつ, rentetsu] (n, adj-no) wrought iron
[れんま, renma] (n, vs) training; practice; practise; cultivation