詞根 ethn(o) = nation，people 人種，種族詞根 emper,imper = 命令詞根 dors = 背後詞根 divid,divis = 分詞根 derm,derma,dermat = 皮詞根 dens = 密，濃詞根 dendr(o) = 樹詞根 dactyl(o) = 指，趾詞根 cyan(o) = 藍，青，氰詞根 curv = 彎曲詞根 crypt,crypto = 隱，秘密，隱藏詞根 crani(o) = 頭顱，頭蓋詞根 cry,cryo = 冷，凍詞根 corn = 角詞根commod = 便利，方便詞根 clin = 牀詞根chrys = 金詞根 chrom(o),chromat(o) = 色詞根chlor,chloro = 氯，綠詞根chiro,cheir = 手