【Adhere】 means to stick fast, to be devoted, or to carry out a plan. Using that glue, the wallpaper should 【adhere】 to the wall quickly. They have adhered to that particular faith for many years.

• We are taking your advice and adhering to the revised plan.

【Cohere】 means to hold together as part of the same thing.

• Generally, the film’s subplots failed to 【cohere】 .

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