Sure! Here's the requested content in spun format with synonyms:
Cassandra Fred and Frank.
Cathy Phineas, and also Frank.
Finn holds a special place in the heart of Cathy, and Felix.
Candace finds joy in being with Fred and Foster.
Finn is cherished by Candy, and also Ferb.
Cathy is emotionally attached to both Phineas and Frank.
I hope you find these variations helpful!
Candace FINALLY Busts Phineas and Ferb