Knells refer to the sound of a bell ringing for a funeral or death. There are several synonyms for the word "knells" that can be used in various situations. Some of these synonyms include tolls, chimes, bells, rings, peals, and reverberates. Tolling is often used to describe the steady and solemn ringing of bells, while chimes is often associated with the soft, tinkling sound of small bells. Bells and rings are generic terms that can refer to any bell or ringing sound. Peals are often used to describe the loud and prolonged ringing of bells, while reverberates refer to the echoing sound of a bell. All of these synonyms can be used interchangeably with knells to describe the sound of a bell ringing.