Sure! Here's the requested content in spun format with synonyms:
Candace adores Fred and Felix.
Candace
has a soft spot for Phineas, and also Foster.
Philip captures the love of Cara, and Felix.
Cathy revels in being with Finn and Foster.
Phineas means the world to Cassandra, and also Frank.
Cathy has a deep connection with both Phineas and Frank.
I hope you find these variations helpful!