Oh. Well, I still hear the actual words in them, and if el is a Hebrew element, Sheva would be too, I'd think. What you say makes a lot of sense. So since we don't actually know where the names started out we can't know if they mean this or that. :/ Well, if they stared out as Hebrew they mean heel and God's oath. And
Shlomo means either whole or peace. Whole is what I get from what
Andy said - the word for whole is shalem and the word for peace is shalom.