Many compliments start with the letter C. Colorful, cool, charismatic all work.
Cute, cuddly, caring, and cool are all compliments starting with "c".
Compliments that start with the letter s:skillfulsmartsuccessful
Awesome
*
zealous
superb
Quite attractive.
ANSWERTalentedToughTenaciousTerrificThoughtful
Joyful
You are as graceful as a dove
honorable
amazing, articulate, astounding