Murāʿāt al-naẓīr, irṣād, and mushākalah all involve relations among expressions, but the operative relationship differs: semantic fitness, anticipation of the ending, and adoption of wording through companionship.
FigureDiagnostic question
Murāʿāt al-naẓīrAre the meanings congruent?
IrṣādWas the close anticipated?
MushākalahWas wording adopted through association?
In “sayyiʾah ... sayyiʾah,” repetition alone is not the decisive clue. The second occurrence adopts the wording of the first while performing a different semantic function.