Found 4 Strong's definitions.

1. 1

   G2872: κοπιάω (kopiáō)

   from a derivative of κόπος; to feel fatigue; by implication, to work hard:--(bestow) labour, toil, be wearied.

   100%
2. 2

   G75: ἀγωνίζομαι (agōnízomai)

   from ἀγών; to struggle, literally (to compete for a prize), figuratively (to contend with an adversary), or genitive case (to endeavor to accomplish something):--fight, labor fervently, strive.

   2%
3. 3

   G2038: ἐργάζομαι (ergázomai)

   middle voice from ἔργον; to toil (as a task, occupation, etc.), (by implication) effect, be engaged in or with, etc.:--commit, do, labor for, minister about, trade (by), work.

   2%
4. 4

   G2577: κάμνω (kámnō)

   apparently a primary verb; properly, to toil, i.e. (by implication) to tire (figuratively, faint, sicken):--faint, sick, be wearied.

   2%