Full name Beth or Bethany?

I love [name]Beth[/name] and have loved it on its own for ever! But today [name]Bethany[/name] started souding very sweet in my mind nn [name]Beth[/name]. I don’t want to use [name]Elizabeth[/name] at is it my best friends name and it was a Great Aunts name. Thank-you Please comment on my [name]Anna[/name]-? poll to!