G1482–ἐθνικός–ethnikos

and if ye may salute your brethren only, what do ye abundant? do not also the tax-gatherers so?

ἐθνικοὶ ethnikoi “Gentiles”

`And -- praying -- ye may not use vain repetitions like the nations, for they think that in their much speaking they shall be heard,

ἐθνικοί· ethnikoi “pagans;”

`And if he may not hear them, say `it' to the assembly, and if also the assembly he may not hear, let him be to thee as the heathen man and the tax-gatherer.

ἐθνικὸς ethnikos “pagan”

because for `His' name they went forth, nothing receiving from the nations;

ἐθνικῶν. ethnikōn “Gentile [people].”