Collins Russian Dictionary 2nd Edition © HarperCollins Publishers 2000, 1997:
warring [ˈwɔːrɪŋ] adj вою́щий; (interests etc) непримири́мый/непримири́м
* is used to mark translations which have irregular inflections. The Russian-English side of the dictionary gives inflectional information.
war [wɔːr]
n война́#to go to war вступа́ть (вступи́ть*perf) в войну́
to be at war with воева́ть*(impf) с +instr
to declare war (on) (also fig) объявля́ть (объяви́ть*perf) войну́ (+dat)
* is used to mark translations which have irregular inflections. The Russian-English side of the dictionary gives inflectional information.