The wild thing is that they’re apparently from different etymologies. “Authorization” comes from “auctor” in Latin, meaning “leader” or “author”, whereas “authe

The wild thing is that they’re apparently from different etymologies. “Authorization” comes from “auctor” in Latin, meaning “leader” or “author”, whereas “authentication” originally comes from the Greek “auto” meaning “self”. There probably was some cross influence that brought them into line though.