I noticed that Lexend has a simple 'a' and 'g' - the type with a simple round part, like a simple child's print. Futura is the most obvious one which comes to mind, although there are many others.
Andika New Basic (I don't like the slant on the 'a'.)
Caudex (a little disconnected.)
Glacial Indifference
You might find some useful fonts on this thread:
https://www.mobileread.com/forums/sh...d.php?t=320073