Sorrowing
Part of speech: verb
Definition: To feel or express grief.
Grieving
Part of speech: noun
Definition: An act or instance of grieving.
Part of speech: verb
Definition: To cause sorrow or distress to.
Example sentence: I am interested in the way advances in medicine and palliative care mean more people now have the opportunity to plan their own deaths, and also plan for those who are left behind. What does that do to the grieving process?