As the lily
shuwshan (shoo-shan')
a lily (from its whiteness), as a flower of arch. ornament; also a (straight) trumpet (from the tubular shape): lily, Shoshannim.
among thorns
chowach (kho'-akh)
a thorn; by analogy, a ring for the nose -- bramble, thistle, thorn.
so is my love
ra`yah (rah-yaw')
a female associate -- fellow, love.
among the daughters
bath (bath)
apple (of the eye), branch, company, daughter, first, old, owl, town, village.