Is it ok to have two very similar names for cousins. They likely won’t see much of each other at all, talking once or twice a year tops.
The names are like Oliver and Olivia, or Ella and Ellie. Neither of those but that’s the best example I have. Probably closest to the last two because same gender.
If it’s pertinent to the situation, neither already born. The situation is that SIL who isn’t pregnant yet has always loved the name ‘Ella’ and we like Ellie. We rarely rarely see SIL, like I say maybe a couple of times a year tops