An-Najm · Al-Qalam

Part of a three-way set (see 16:125/68:7 batch 5 and 16:125/53:30 this batch): 'your Lord knows best who has gone astray from His way and He knows best the rightly guided'; 53:30 closes a passage on those who avoid major sins, 68:7 follows a command not to obey disbelievers.

Al-Qalam · Al-Ma'arij

Both describe the disbelievers on the Day of Judgment with 'khashi'atan absaruhum tarhaquhum dhillah' in virtually identical wording across Al-Qalam and Al-Ma'arij.

An-Nahl · Al-Qalam

Verbatim closing: 'your Lord knows best who has gone astray from His way and He knows best the rightly guided'; 16:125 follows the command to call to Allah's path with wisdom, 68:7 follows a prohibition against obeying the disbelievers.