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)

胃薬[igusuri] stomach medicine
医薬[iyaku] medicine
医薬品[iyakuhin] medical supplies
医薬分業[iyakubungyou] separation of medical and dispensary practice (practise)
飲薬[nomigusuri] oral medicine

下し薬[kudashigusuri] laxative
下ろし薬[oroshigusuri] an abortive
下薬[geyaku] laxative
加薬[kayaku] spices
火薬[kayaku] gunpowder