Use 'cohere' to describe physical items sticking together, like particles in a substance. The sugar grains didn't cohere, making the cake's texture crumbly.
Pro Tip 2/3
Unity Strength
'Cohere' emphasizes the strength and firmness of components sticking together. The team's defense cohered under pressure, not allowing any goals.
Pro Tip 3/3
Resistance to Separate
When things cohere, they resist being pulled apart, implying durability or permanence. The bricks must cohere well to ensure the wall stands for years.