5 verses have
but
in Edition Clear Qur'an by Talal Itani / Al-Qamar (The Moon)

54:3They lied, and followed their opinions, but everything has its time.

54:5Profound wisdom—but warnings are of no avail.

54:29But they called their friend, and he dared, and he slaughtered.

54:36He had warned them of Our onslaught, but they dismissed the warnings.

54:50And Our command is but once, like the twinkling of an eye.