Almost
Same
Put two versions of a list side by side. Exact repeats disappear into agreement; likely renames and typos stand where you can inspect them; true leftovers stop hiding.
Probably the same — decide these
Only earlier
Only later
Exact agreement
Reviewed result
Decide each suggested pair to make a usable review note.
“Probably” uses spelling similarity, not meaning. It can miss abbreviations and can pair two genuinely different short names. Ambiguous pairs are marked; your judgment wins.