今春[konshun] this spring
昨春[sakushun] last spring
三春[sanshun] three spring months
思春期[shishunki] puberty
春たけなわ[harutakenawa] spring is in full swing

春めく[harumeku] to become spring-like
春一番[haruichiban] first storm of spring
春夏秋冬[shunkashuutou] spring, summer, autumn (fall) and winter
春画[shunga] shunga

漫ろに[sozoroni] in spite of oneself
漫ろ歩き[sozoroaruki] slow, relaxed walk
浪漫[rouman] romance (i.e. Arthurian romances)
散漫[sanman] vague
冗漫[jouman] verbosity

天真爛漫[tenshinranman] naivete
漫画[manga] cartoon
漫然[manzen] aimless
漫談[mandan] chat
浪漫主義[romanshugi] romanticism

絢爛[kenran] gorgeous
粲爛[sanran] brilliant
天真爛漫[tenshinranman] naivete
爛らかす[tadarakasu] to cause to be inflamed
爛れる[tadareru] to be sore

爛死[ranshi] burning to death
爛熟[ranjuku] overripeness
爛熳[ranman] glorious
糜爛[biran] inflammation
糜爛性[biransei] irritating