Al-Muddaththir · 'Abasa

80:17 'qutila al-insan ma akfarah' (cursed is man, how ungrateful he is) and 74:19 'qutila kayfa qaddar' (cursed is how he calculated) both use the exclamatory 'qutila' curse formula with different objects — man's ingratitude vs man's planning.

Al-Muzzammil · Al-Muddaththir

Both use 'fa man sha'a attakhadha ila rabbihi sabila' (let whoever wills take a path to his Lord) in near-verbatim form at the close of Al-Muzzammil and Al-Muddaththir.

Al-Muddaththir · 'Abasa

74:54 says 'innahu tadhkira' (masculine pronoun) while 80:11 says 'innaha tadhkira' (feminine) — a single letter that shifts the grammatical gender of the reference.