Some options :
[name]Beverly[/name] - [name]Beverly[/name], [name]Bevan[/name] (a boy)
[name]Jo[/name] - [name]Josephine[/name], [name]Joseph[/name], [name]Joanne[/name], [name]Joanna[/name], [name]Jody[/name], [name]Jocelyn[/name] (dated)
[name]Eva[/name] - [name]Eva[/name], [name]Eve[/name], [name]Ava[/name], [name]Evelyn[/name], [name]Evadne[/name], [name]Everett[/name]
[name]Betty[/name] - [name]Elizabeth[/name], [name]Elizabetta[/name], [name]Bettina[/name] (perhaps even [name]Bethany[/name]/[name]Bethan[/name])
[name]Lorraine[/name] (I like the nn [name]Lori[/name]) - [name]Lorraine[/name], Loraina, [name]Laura[/name], [name]Lauren[/name], [name]Lothar[/name] (for a boy, but very close to lothario)
[name]Rae[/name] - [name]Rae[/name], [name]Rachel[/name], [name]Rhea[/name] (contains the letters), Raphaella, [name]Raphael[/name]
[name]Shirley[/name] - [name]Shirley[/name], [name]Shir[/name]/[name]Shiri[/name]/[name]Shira[/name] (for a girl -mean ”song”, ”my song” and ”poetry or singing” in Hebrew, respectively), Shiori (girl - Japanese for ”bookmark”), Shiro/Shirou (Japanese for ”fourth son”)
[name]Grace[/name] - [name]Grace[/name], and other virtue names
[name]David[/name] - [name]David[/name], [name]Davida[/name] and [name]Davina[/name] (for a girl), [name]Dewey[/name] (Welsh form, unfortunately sounds like DUI - Driving Under the Influence. There is also the [name]Dewey[/name] Decimal System of cataloguing in libraries)
[name]Albert[/name] - [name]Albert[/name], [name]Alberta[/name] and [name]Albertine[/name] (for a girl), [name]Victoria[/name] at a stretch
[name]Allen[/name] - [name]Allen[/name], [name]Alanis[/name] and [name]Elaina[/name] (for a girl)
[name]Charles[/name] - [name]Charles[/name], [name]Carla[/name], [name]Charlotte[/name], [name]Carlotta[/name], [name]Caroline[/name], [name]Carol[/name]
[name]Emery[/name] - [name]Emery[/name], [name]Emily[/name], [name]Emilia[/name], [name]Emma[/name], [name]Emmeline[/name], [name]Emerald[/name].
Some combinations :
[name]Rachel[/name] [name]Shiri[/name]
[name]Elizabeth[/name] [name]Verity[/name]
[name]Josephine[/name] [name]Evadne[/name]
[name]Evelyn[/name] [name]Davida[/name]
[name]Grace[/name] [name]Evelyn[/name]
[name]Charlotte[/name] [name]Emily[/name]
[name]Carla[/name] Shiori
[name]Laura[/name] [name]Grace[/name]
[name]Emily[/name] [name]Rae[/name]
[name]Lauren[/name] [name]Shirley[/name]
Raphaella [name]Bettina[/name]
[name]Emerald[/name] [name]Alberta[/name]
[name]Charles[/name] [name]Everett[/name]
[name]Raphael[/name] [name]Lothar[/name]
[name]Joseph[/name] [name]Everett[/name]
[name]David[/name] [name]Albert[/name]
[name]Everett[/name] [name]Allen[/name]
Good luck!