荊棘[odoro] briars
棘皮動物[kyokuhidoubutsu] echinoderm
荊棘[keikyoku] wild rose
荊棘線[barasen] barbed wire

骨棘[kotsukyoku] bone spur
棘魚[togeuo] stickleback (any fish of family Gasterosteidae)
棘鼠[togenezumi] Ryukyu spiny rat (Tokudaia osimensis)
棘条[kyokujou] spiny ray (of a fin)

お生憎様[oainikusama] that's too bad (ironical)
御誕生日おめでとうございます[otanjoubiomedetougozaimasu] Happy Birthday
隣の芝生は青い[tonarinoshibafuhaaoi] the grass is always greener on the other side
生きがいい[ikigaii] fresh (e.g. fish)
コンピューター援用生産[konpyuutaaenyouseisan] computer-aided manufacture

委託生[itakusei] scholarship student sent by government office or business
生す[nasu] to build up
異常発生[ijouhassei] plague
医学生[igakusei] medical student
医学生物学[igakuseibutsugaku] medical biology