ma`areketh (Hebrew #4635)
an arrangement, i.e. (concretely) a pile (of loaves)
KJV usage: row, shewbread.
Pronounce: mah-ar-eh'-keth
lechem (Hebrew #3899)
food (for man or beast), especially bread, or grain (for making it)
KJV usage: ((shew-))bread, X eat, food, fruit, loaf, meat, victuals. See also 1036.
Pronounce: lekh'-em