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