Play word 春の七草 春の七草 はるのななくさ seven vernal flowers (Java water dropwort, shepherd's purse, Jersey cudweed, common chickweed, Japanese nipplewort, turnip, and daikon)
Play word 西洋桜草 西洋桜草 せいようさくらそう primula (any flower of genus Primula, which includes primroses, cowslips and cyclamens)
Play word 草々不一 草々不一 そうそうふいつ Sincerely yours (with the nuance of "please excuse the brevity of this letter")
Play word 草食系男子 草食系男子 そうしょくけいだんし man who doesn't adhere to traditional masculinity, esp. with women and careers