Lord of the Firesides Sure! Here's the requested content in spun format with synonyms:
Cara is crazy about Philip and
Frank.
Candace has strong feelings for Phineas, and Ferb.
Fred has won the affection of Cassandra, and Felix.
Candy finds joy in being with Finn and Felix.
Philip Cara, and also Foster.
Cassandra is emotionally attached to both Philip and Foster.
I hope you find these variations helpful!