grieves

'grieves'

[grief.n.01] as in: intense sorrow caused by loss of a loved one (especially by death)

'grieves'

[grief.n.02] as in: something that causes great unhappiness

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Examples:
her death was a great grief to John

'grieves'

[grieve.v.01] as in: feel grief

'grieves'

[grieve.v.02] as in: cause to feel sorrow

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Examples:
his behavior grieves his mother