化粧煉瓦[keshourenga] ornamental tile
試煉[shiren] test
洗煉[senren] polish
舗装煉瓦[hosourenga] paving brick
煉瓦[renga] brick

煉り上げる[neriageru] to knead well
煉る[neru] to knead
煉乳[rennyuu] condensed milk
修煉[shuuren] training
精煉[seiren] refining (metals)

演奏練習[ensourenshuu] musical rehearsal
教練[kyouren] drill
訓練[kunren] practice
軍事教練[gunjikyouren] military training
軍事訓練[gunjikunren] military exercise

試練[shiren] test
手練手管[terentekuda] wiles
修練者[shuurensha] (Catholic) neophyte
熟練[jukuren] skill
洗練[senren] polish