Cortices[UK: ˈkɔː.tɪ.siːz] [US: ˈkɔːr.tɪ.siːz] Crusts[UK: krʌsts] [US: ˈkrəsts] Encrustations Incrustations[UK: ˌɪn.krʌ.ˈsteɪʃ.n̩z] [US: ˌɪn.krʌ.ˈsteɪʃ.n̩z] Nutshells[UK: ˈnʌt ʃelz] [US: ˈnʌ.ˌtʃelz] Peels[UK: piːlz] [US: ˈpiːlz] Rinds[UK: raɪndz] [US: ˈraɪndz] Scurfs | 