besem — spice, balsam, balsam tree, perfume

Shêm — Shem = “name”

Genesis 4:26 — “And to Seth, in turn, a son was born, and he named him Enosh. It was then that GOD began to be invoked by name.”

Genesis 12:8 — “From there he moved on to the hill country east of Bethel and pitched his tent, with Bethel on the west and Ai on the east; and he built there an altar to GOD and invoked GOD by name.”

Genesis 13:4 — “The site of the altar that he had built there at first; and there Abram invoked GOD by name.”

Genesis 21:33 — “[Abraham] planted a tamarisk at Beer-sheba, and invoked there the name of the ETERNAL, the Everlasting God.”

Genesis 25:13 — “These are the names of the sons of Ishmael, by their names, in the order of their birth: Nebaioth, the first-born of Ishmael, Kedar, Adbeel, Mibsam,”