Here are examples of voices that are deep but sound feminine:







Tenor female speech with deep timbre:





Falsetto:



Counter-tenor:

David Hansen

Sorry for replying to myself.

I finally looked for candiFLA on youtube that people were posting about here. In her M2F voice playlist, I thought this was interesting because it's not at all in falsetto or high modal register:

https://www.youtube.com/watch?v=lyldrMW0u1Q&list=PL8355F189D21B3337&index=2

Incidentally, I think I remember thinking it was very irritating when adults would say things that are obvious, or ask questions to which the answer is obvious. So, now I am one of those annoying adults that has forgotten how to be embarrassed. I hope it's not too embarrassing. Sorry.