G2111–εὔθετος–euthetos

But Jesus said, No man, having put his hand to the plough and looking back, is good enough for the kingdom of God.

εὔθετός euthetos “suitable”

It is no good for the land or for the place of waste; no one has a use for it. He who has ears, let him give ear.

εὔθετόν eutheton “fit”

For a land, drinking in the frequent rain and producing good plants for those for whom it is worked, has a blessing from God:

εὔθετον eutheton “useful”