فِيهَا سُرُرٌ مَرْفُوعَةٌ وَأَكْوَابٌ مَوْضُوعَةٌ
There are raised couches and cups set out.
The terminal words marfūʿah and mawḍūʿah correspond in rhythm and final sound, which supports the analysis of parallel sajʿ. Muwāzanah chiefly requires metrical balance; agreement of the final rhyme letter is not its indispensable feature.
وَنَمَارِقُ مَصْفُوفَةٌ وَزَرَابِيُّ مَبْثُوثَةٌ
And cushions arranged in rows and carpets spread out.
Here the relevant feature is the matching rhythmic weight of maṣfūfah and mabthūthah. Rather than putting both illustrations under a vague “rhyming” heading, test the weight and terminal-letter conditions separately.