Extended version

friend‧ship

1 [countable] a relationship between friends

friendship between

The friendship between father and youth deepened.

friendship with

his friendship with Sam

her close friendship with her aunt

a lifelong friendship

The two boys formed a deep and lasting friendship.

He and Bob struck up a friendship (=began to be friends).

2 [uncountable] the feelings and behaviour that exist between friends:

I could always rely on Gary for friendship and support.

The Indians have extended the hand of friendship (=shown that they want to be friends with another country).