There may also be students in the class with facial birthmarks, scarring, acne, eczema etc. who are self-conscious about their appearance.
crescive
crepon
crepe
crepance
cremaster
cretify
cruive
cruentation
crumenal
cruciferous
credal
creophagous
crenel
crenate
cremnophobia
cremaillere
credenza
crenellated
crenitic
crepitus
crepitate
crepuscular
crepehanger
cresset
crescograph
croze
crural
cruet
crupper
cryometer
cryoscope
cryobiology
cryptadia
cruset
cryptaesthetic