No, and that's a shame, because the right half of the spacebar would make a perfect enter key. FWIW, when I had right-pinky pain years ago, I remapped semicolon to enter with good results.

If you don't mind non-standard layouts, here are some excellent keyboards that give your thumbs more to do. :)

https://shop.keyboard.io/

https://www.trulyergonomic.com/store/truly-ergonomic-mechani...

https://www.kinesis-ergo.com/shop/advantage2/