G4914–συνήθεια–sunētheia

But ye have a custom that I release [supplied: some] one to you at the passover; will ye therefore that I release unto you the king of the Jews?

συνήθεια sunētheia “a custom”

But knowledge [supplied: is] not in all: but some, with conscience of the idol, until now eat as of a thing sacrificed to idols; and their conscience, being weak, is defiled.

συνηθείᾳ sunētheia “by custom”

But if any one think to be contentious, *we* have no such custom, nor the assemblies of God.

συνήθειαν sunētheian “custom”