Strong’s Greek
G4801 — suzeugnumi
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
συζεύγνυμι
suzeugnumi — pronounced sood-zyoog'-noo-mee
from 4862 and the base of 2201; to yoke together, i.e. (figuratively) conjoin (in marriage):--join together. see GREEK for 4862 see GREEK for 2201
2 occurrences in the KJV.
Matthew 19:6
Wherefore they are no more twain, but one flesh. What therefore God hath joined together, let not man put asunder.
Mark 10:9
What therefore God hath joined together, let not man put asunder.