Al-Kafirun · Al-Kafirun

109:2 'la a'budu ma ta'budun' (verbal sentence) and 109:4 'wa la ana 'abidun ma 'abadtum' (nominal sentence) cover the same meaning in different grammatical forms — a subtle internal shift memorizers frequently conflate.

Al-Kafirun · Al-Kafirun

109:3 and 109:5 are verbatim identical: 'wa la antum 'abiduna ma a'bud' — a repeated verse within the same six-verse surah, easy to recite twice or skip entirely.