I don't much like the "nerve" sound in Onerva (or
Minerva), but the meaning is very intriguing.
These combos caught my attention:
Onerva
Hildur: imposing battle maiden.
Onerva
Tuulikki: very pastoral, what with "aftergrass" and "little wind" :)
Onerva
Iiris:
Iiris Onerva would be pretty.
masculine list:
https://www.behindthename.com/pnl/191050/124079feminine list:
https://www.behindthename.com/pnl/191050/124080