Collocations for cruelty - noun

extreme, great
an act of extreme cruelty

deliberate (esp. BrE)
casual
mental
animal, child (esp. BrE)
Cases of child cruelty occur more often than they are observed.

human
the depths of human cruelty

inflict, show (sb)
How can you inflict such cruelty on a child?
Her stepmother showed her nothing but cruelty.

suffer
The children suffered mental cruelty and neglect.

see
She was shocked to see such cruelty.

cruelty to, cruelty towards/toward
cruelty to animals