Collocations for pact - noun

bilateral, mutual
defence/defense, security
non-aggression, peace
stability
electoral (esp. BrE), free-trade (esp. AmE), social, trade
suicide

have
conclude, enter into, form, make
The Liberals formed a secret pact with the Independents.

sign
The Soviet Union had signed a non-aggression pact with Germany.

negotiate
break

in a/the pact
She died with her lover in a suicide pact.

under a/the pact
conditions under the recently signed non-aggression pact

pact between
a security pact between Pakistan and France

pact with
She made a pact with her friend never to tell anyone what had happened.

a pact with the devil (usually a deal with the devil in AmE)
He accused them of making a pact with the devil by allowing soldiers to be stationed in the region.