G0075–ἀγωνίζομαι–agōnizomai

"Strain every nerve to force your way in through the narrow gate," He answered; "for multitudes, I tell you, will endeavour to find a way in and will not succeed.

ἀγωνίζεσθε agōnizesthe “do strive”

"My kingdom," replied Jesus, "does not belong to this world. If my kingdom did belong to this world, my subjects would have resolutely fought to save me from being delivered up to the Jews. But, as a matter of fact, my kingdom has not this origin."

ἠγωνίζοντο ēgōnizonto “they were fighting”

But every competitor in an athletic contest practices abstemiousness in all directions. They indeed do this for the sake of securing a perishable wreath, but we for the sake of securing one that will not perish.

ἀγωνιζόμενος agōnizomenos “is striving”

To this end, like an earnest wrestler, I exert all my strength in reliance upon the power of Him who is mightily at work within me.

ἀγωνιζόμενος agōnizomenos “striving”

Epaphras, who is one of yourselves, a bondservant of Jesus Christ, sends greetings to you, always wrestling on your behalf in his prayers, that you may stand firm--Christians of ripe character and of clear conviction as to everything which is God's will.

ἀγωνιζόμενος agōnizomenos “struggling”

and here is the motive of our toiling and wrestling, because we have our hopes fixed on the ever-living God, who is the Saviour of all mankind, and especially of believers.

ἀγωνιζόμεθα, agōnizometha “strive,”

Exert all your strength in the honourable struggle for the faith; lay hold of the Life of the Ages, to which you were called, when you made your noble profession of faith before many witnesses.

ἀγωνίζου agōnizou “do fight”

I have gone through the glorious contest; I have run the race; I have guarded the faith.

ἠγώνισμαι, ēgōnismai “I have fought,”