Sure! Here's the requested content in spun format with synonyms:
Cara is crazy about Finn and Felix.
Cassandra has deep affection for Philip, and Foster.
Fred Cathy, and Frank.
Candace takes delight in being with Finn and Felix.
Phineas means the world to Cathy, and also Frank.
Cara shares a bond with both Finn and Foster.
I hope you find these variations helpful!