DeviceDecisive featureCaution
ṬibāqContrary meaningsDifferent words alone do not suffice
JināsSimilarity in form with distinct meaningsInspect letters, vowels and form
SajʿCorresponding endings in prose clausesNot every rhyme-like pair is sajʿ
The contrast of the righteous and wicked is primarily semantic; the two usages of sāʿah invite analysis of similarity of form with different meanings. These cases help distinguish semantic from verbal embellishment.