Shell

granaat

(hollow usually spherical or cylindrical projectile fired from a mortar or a cannon)

karp

(hard calcareous or chitinous external covering of many invertebrates)

kaun

(pod)

kest

(casing of an artillery projectile)

kilp

(hard calcareous or chitinous external covering of many invertebrates)

koda

(hard calcareous or chitinous external covering of many invertebrates)

koor

(hard calcareous or chitinous external covering of many invertebrates)

koor

(covering of a nut)

munakoor

(hard covering of an egg)