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