Term: cornstarch: starch prepared from the grains of corn; used in cooking as a thickener
Broader: starch: a complex carbohydrate found chiefly in seeds, fruits, tubers, roots and stem pith of plants, notably in corn, potatoes, wheat, and rice; an important foodstuff and used otherwise especially in adhesives and as fillers and stiffeners for paper and textiles | Unrelated: dome: a hemispherical roof
Broader: starch: a complex carbohydrate found chiefly in seeds, fruits, tubers, roots and stem pith of plants, notably in corn, potatoes, wheat, and rice; an important foodstuff and used otherwise especially in adhesives and as fillers and stiffeners for paper and textiles | Unrelated: mealybug: scalelike plant-eating insect coated with a powdery waxy secretion; destructive especially of fruit trees