User blog comment:FairyRaven/Fairy Tail Chapters 338, 339, 340: Review and Commentary/@comment-5708675-20130705164056/@comment-1359322-20130706023608

I think both translation did nearly the same thing.

http://www.mangareader.net/fairy-tail/339/11 http://mangastream.com/read/fairy_tail/339/1972/13

Jellal referred the Gate of Hades/Netherworld to Tartaros.