Sure! Here's the requested content in spun format with synonyms:
Cathy adores Finn and also Foster.
Cara has a soft spot
for Philip, and also Frank.
Fred holds a special place in the heart of Cassandra, and Foster.
Candace takes delight in being with Fred and Ferb.
Philip means the world to Cara, and also Ferb.
Candace shares a bond with both Philip and Felix.
I hope you find these variations helpful!