συζεύγνυμι G4801
syzeúgnymi · sood-zyoog'-noo-mee · Verb
from σύν and the base of ζεῦγος; to yoke together, i.e. (figuratively) conjoin (in marriage):--join together.
2 Occurrences in the King James Bible
Matthew 19:6Wherefore they are no more twain, but one flesh. What therefore God hath joined together, let not man put asunder.
Mark 10:9What therefore God hath joined together, let not man put asunder.