纠纷

They tangled with each other over property.

medical dispute

squabble between mother-in-law and daughter-in-law

quarrel among neighbours

domestic conflict; household quarrel

dispute over a contract

tariff/diplomatic tangles

legal tangle/issue

stir up trouble

mediate a dispute

have trouble (with sb); be in dispute with

be/get/become involved in a dispute

settle/resolve a dispute; straighten out a tangle

avoid a dispute

a dispute