Something scary that starts with C is cancer.
Chobani.
carotid
Cuckoo Flower
Czar is a 4 letter word. It begins with C and ends with R.
cyan
CrustCloudClingCheapClownCrownCreepCroneCease
Chartreuse is a color between yellow and green that starts with the letter "c".
Caper, cater, cedar, chair, cheer, choir, cigar, color, cuter
Cyan is a light blue.
Cornflower is nice. The color is beautiful.
EXACT
cheek
cubic
cream
Cause
Tacky