"knells" in the noun sense
the sound of a bell rung slowly to announce a death or a funeral or the end of something
"knells" in the verb sense
ring as in announcing death
2. ring, knell
make (bells) ring, often for the purposes of musical edification
"Ring the bells"
"My uncle rings every Sunday at the local church"
Source: WordNet® (An amazing lexical database of English)
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