argueThe kids are always arguing about something.
have an argumentI had an argument with my sister.
fightinformalThe two sides continue to fight over control of the assembly.
quarrelStop quarrelling, you two!
rowmainlyUKinformalMy parents were always rowing about money.
squabbleThey are still squabbling over who will get the big office.
disagreeRod and Kevin seem to disagree about everything.
disputeWhen they went missing is hotly disputed.
not on speaking termsThe couple haven’t been on speaking terms for many years.