FROM STRONG’S GREEK DICTIONARY (1890)

Strong’s Greek Dictionary (1890) — public domain, printed whole.

sunagonizomai συναγωνίζομαι — soon-ag-o-nid'-zom-ahee — from 4862 and 75; to struggle in company with, i.e. (figuratively) to be a partner (assistant):--strive together with.

see GREEK for 4862

see GREEK for 75