All are non scrapable white lesions, except:
Non-Scrapable White Lesions

Leukoplakia  
Lichen planus 
Linea alba
Frictional hyperkeratosis  
White sponge nevus  
Dyskeratosis congenita
Chronic hyperplastic candidiasis.
Leukoplakia
Lichen planus
Chemical burns
White sponge nevus