battle, combat, fight (mutual use of force or weapons against one another) [+ z (instrumental) = with whom], [+ o (accusative) = for/over what], [+ przeciw (dative)]/[+ przeciwko (dative) = against whom], [+ między (object)]/[+ pomiędzy (instrumental) = between whom], [+ za (accusative) = for whom/what]
fight; clash (arrange combat often for entertainment; arranged sports competition) [+ z (instrumental) = with whom]
fight, combat (act of attempting to defeat an opponent in some dispute or contest) [+ z (instrumental) = with whom], [+ przeciw (dative)]/[+ przeciwko (dative) = against whom]
struggle, fight (act of attempting to remove undesirable phenomena or difficulties, to get something, or to help someone) [+ z (instrumental) = with whom], [+ o (accusative) = for/over what]
struggle, fight (act of attempting to win someone's favor) [+ o (accusative) = for/over whom]
struggle, fight (act of opposing forces of nature or general phenomena) [+ z (instrumental) = with whom]
clash (contradiction, e.g. between differing or contending interests, views, purposes)
(obsolete) competition (fighting for resources between species in the same environment)
(obsolete) desire, want for something