Sure! Here's the requested content in spun format with synonyms:
Cara loves Finn and also Felix.
Candace has deep affection for Phineas, and also Foster.
Phineas Candace, and also Felix.
Cassandra being with Philip and Frank.
Finn Cara, and Frank.
Cara shares a bond with both Phineas and Foster.
I hope you find these variations helpful!