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