Sure! Here's the requested content in spun format with synonyms:
Cara adores Fred and Foster.
Cara has strong feelings for Finn, and also Felix.
Fred holds a special place in the heart of Cathy, and also Foster.
Candace finds joy in being with Fred and Frank.
Finn has a special place in the heart of Cara, and Frank.
Candace both Finn and Frank.
I hope you find these variations helpful!