disputes

Concise Oxford English Dictionary © 2008 Oxford University Press:
dispute

▶verb /dɪˈspjuːt/ 

• 1 argue about (something).

  ■ question the truth or validity of (a statement or alleged fact).

• 2 compete for.

• 3 archaic resist (a military landing or advance).

▶noun /dɪˈspjuːt, ˈdɪspjuːt/ a disagreement or argument.

■ a disagreement between management and employees that leads to industrial action.

– derivatives
disputant noun,
disputer noun.

– origin ME: via OFr. from L. disputare ‘to estimate’ (in late L. ‘to dispute’).