Answer: agones

AnswerCrossword Clue
AGONESLines of no magnetic declination.
AGONESField days of ancient Greeks.
AGONESPublic games of anc. Greece.
agonesconflict, esp. between the protagonist and the antagonist
agonesAGON, conflict between the main characters in a Greek play
agones(in ancient Greece) a contest in which prizes were awarded in any of a number of events, as athletics, drama, music, poetry, and painting
agones(in ancient Greek drama) a formalized debate or argumentation, esp. in comedy: usually following the proagon and preceding the parabasis