Al-Muzzammil · Al-Insan

73:19 says 'fa man sha'a attakhadha ila rabbihi sabila' while 76:29 says 'fa man sha'a ittakhadha ila rabbihi sabila' — a subtle difference in verb form (attakhadha vs. ittakhadha).

Al-Kahf · Al-Insan

18:29 'fa man sha'a fa l-yu'min wa man sha'a fa l-yakfur' and 76:3 'inna hadaynahu al-sabil imma shakiran wa imma kafura' both state that guidance is given and humans choose — one in a threat context, the other in a declaration of human freedom.