Which example especially distinguishes verbal similarity from moral equivalence?

Murāʿāt al-Naẓīr, Corresponding Endings, Irṣād and Mushākalah

• The sun and moon, because two words co-occur
• The verse on vision, because the ending fits
• Wa-jazāʾu sayyiʾatin sayyiʾatun mithluhā
• Inability/ability, because the final verb is anticipated