G4914–συνήθεια–sunētheia

and ye have a custom that I shall release to you one in the passover; will ye, therefore, `that' I shall release to you the king of the Jews?'

συνήθεια sunētheia “a custom”

but not in all men `is' the knowledge, and certain with conscience of the idol, till now, as a thing sacrificed to an idol do eat `it', and their conscience, being weak, is defiled.

συνηθείᾳ sunētheia “by custom”

and if any one doth think to be contentious, we have no such custom, neither the assemblies of God.

συνήθειαν sunētheian “custom”