Paired soundsContrast in sensehād / zādguide / provisionsthawb / thawābgarment / rewardtashtahīhi / tashtarīhidesire / acquire through effort
These are instances of sound-based verbal correspondence; not every pair constitutes technically identical paronomasia. Letter changes and distinct meanings matter.
The repeated sentence shapes bring two terms into focus, then expose the speaker’s criticism of the choice between them.