zaratiti

1. (with someone) to go to war; to start a war
   Dve susedne zemlje su zaratile zbog granice. — The two neighbouring countries went to war over the border.
2. colloq. (of a quarrel) to fall out; to start a feud
   Zaratio je sa komšijama zbog parkinga. — He started a feud with the neighbours over parking.

Used with s/sa + instrumental or protiv + genitive: zaratiti s Turskom.