Technically, it's probably possible since Kryptonains and Daxamites share a common ancestry, but it wouldn't make much sense in terms of moving the Kara Zor-EL story along. However, there are those who would wish to see this come to pass and they are certainly entitled to this opinion, but I do not share that view.
From a storytelling perspective, it would dilute rather than enhance the overall product and the objectives of the show. As a go-to plot device, it might work as a whimsical bookend to the series, but then again, it might hamper it.
Only time will tell if it is worth pursuing.
"God Bless The Infidels" - The Sadies, CD/LP/Download album Northern Passages (2017)