disagreement
From LSJ
ἀλλήλων τὰ βάρη βαστάζετε, καὶ οὕτως ἀναπληρώσετε τὸν νόμον τοῦ Χριστοῦ → bear each other's burdens, and in that way fulfill the anointed King's Law (Galatians 6:2)
subs.
P. and V. διαφορά, ἡ, ἔρις, ἡ, στάσις, ἡ, Ar. and V. νεῖκος, τό (also Plat. but rare P.).