Collocations for grief - noun

deep, great, inconsolable, intense, overwhelming, real
personal, private
I felt awkward at intruding on their private grief.

public
unresolved (esp. AmE)

be consumed by, be consumed with, be overcome by, be overcome with, be stricken with, experience, feel
Her parents were stricken with grief.

express, show
cause
die from, die of
come to terms with, cope with, deal with, overcome
They are still struggling to come to terms with their grief.

understand
She understood my grief because she too had lost a child.

share
He feels that he can't share his grief with anyone.

counselling/counseling, counsellor/counselor (both esp. AmE)
process (esp. AmE), reaction

grief at
Children can feel real grief at the loss of a pet.

grief for
her grief for her dead husband

grief over
grief over the loss of a friend's life

a feeling of grief, a sense of grief