FormerlyHemlock
Adventurer
My suggestion is: do not focus on the character gender, instead pick a known real-life person or existing character from a movie/book (without telling anybody), and think of her/him while roleplaying your character. Let's say you're playing a female Wizard, you could choose for example Lana Parrilla's "Evil Queen" from Once Upon a Time or Cate Blanchett's Galadriel*, and then just say what you think she would say in the way you think she would say that! You don't need to mimic the voice pitch at all, you can mimic the accent (but not necessarily), but just imagine you're seeing her on the screen and your roleplaying will be affected.
*But anyone can do really... you could pick Rachel from Friends, Judy Dench, or Piggy from Sesame Street and they will work for a Wizard just as well, only differently.
Well over a year ago I was using Donald Trump (complete with hand gestures) for a villainous orcish shaman trying a hostile takeover of an orcish village. I totally called that one.