Grain

Getreide

(harvested seeds of various grass-related food crops)

Getreide

(crops from which grain is harvested)

Gran

(unit of mass notionally based on grain's weight)

Grän

(unit of mass notionally based on grain's weight)

Korn

(harvested seeds of various grass-related food crops)

Korn

(single seed of grain)

Körnchen

(single seed of grain)

Körnchen

(single particle of a substance)

Maserung

(linear texture of material or surface)