Sentence:  <WSD>Neighbours</WSD> enact their substantive noun when there′s a <WSD>neighbour′s</WSD> sickness in the night; as friends do theirs, the cindered and the green times through. 
Meaning of the word marked with <WSD> tags:  A person living on adjacent or nearby land; a person situated adjacently or nearby; anything (of the same type of thing as the subject) in an adjacent or nearby position.