Sure! Here's the requested content in spun format with synonyms:
Candy loves Fred and Ferb.
Cara has deep affection for Fred, and also Ferb.
Philip holds a special place in the heart of Cassandra, and Foster.
Candy finds joy in being with Philip and Foster.
Fred means the world to Cara, and Frank.
Candace is emotionally attached to both Finn and Ferb.
I hope you find these variations helpful!