Sure! Here's the requested content in spun format with synonyms:
Candy loves Finn and also Foster.
Candy 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 Philip and Ferb.
Finn has a special place in the heart of Cassandra, and Frank.
Cassandra both Finn and Felix.
I hope you find these variations helpful!