Pain or Ache?
A pain is a sharp, unpleasant feeling, usually physical.
‘I have a pain in my leg.’
An ache is a dull, continuous pain.
‘I have a terrible ache in my leg.’
We also use ‘ache’ to describe emotional pain, like sorrow or sadness.
‘I still feel a terrible ache in my heart when I think of him.’
Agony is extreme, terrible pain. It can be physical or mental.
‘I was in agony for a whole week before my operation.’
Hurt is a verb and it means to cause pain or suffering.
‘Don’t squeeze so hard, you’re hurting me!’
Anguish is extreme suffering, usually mental or emotional.
'I was overcome with anguish when I lost my grandmother’s ring' .