فِيهَا مِصْبَاحٌ الْمِصْبَاحُ فِي زُجَاجَةٍ
In it is a lamp; the lamp is in glass.
Miṣbāḥ appears at the end of one unit and the beginning of the next, demonstrating tashābuh al-aṭrāf. Radd al-ʿajz ʿalā al-ṣadr instead links the end of an utterance or line with a corresponding word near its beginning.
Both may include recurrence, but its location distinguishes neighboring-clause transition from return to an opening word.