Kelda

Both names have Norse roots, 'Solveig' meaning 'strong home' evokes a sense of resilience and groundedness, similar to the potential meaning of 'Kelda' relating to a spring.

Shares a similar sound and evokes a sense of natural beauty and strength, though the cultural significance differs.

Both names have a somewhat uncommon, flowing sound and a connection to nature (Rhiannon is associated with horses and the Otherworld).